Add license under Apache 2.0.

Add copyright + license notice to all files. Enhance scripts to work around / drop license text when composing multiple file. Drop historical EForth reference. Bump version number.
2021-06-28 22:23:21 -07:00
parent a7e7b74e3e
commit 864cd930b7
88 changed files with 1468 additions and 537 deletions
--- a/202
+++ b/202
@ -0,0 +1,202 @@
+
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--- a/README.md
+++ b/README.md
@ -2,12 +2,11 @@

 EForth is a delightfully minimalist approach to Forth originated by Bill Muench and Dr. C. H. Ting.

-For more information visit:
+For documentation visit:

 [https://eforth.appspot.com/](https://eforth.appspot.com/)

 ## Directories

-* ueforth/ - µEforth - EForth refactored to allow source boostraping.
-* circleforth/ - A minimalist Forth modeled after toy Lisps.
-* reference/ - EForth Reference Material
+* [ueforth/ - µEforth / ESP32forth](ueforth/README.md) - EForth refactored to allow source boostraping.
+* [circleforth/ - CircleForth](circleforth/README.md) - A minimalist Forth modeled after toy Lisps.
--- a/circleforth/circle.fs
+++ b/circleforth/circle.fs
@ -1,4 +1,19 @@
 #! /usr/bin/env gforth
+
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\  Unless required by applicable law or agreed to in writing, software
+\  distributed under the License is distributed on an "AS IS" BASIS,
+\  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\  See the License for the specific language governing permissions and
+\  limitations under the License.
+
 ( CircleForth )
 vocabulary circleforth   circleforth definitions

@ -78,6 +93,7 @@ p: last   p: state
 ( Bootstrap )
 boot
 : (   41 parse drop drop ; immediate
+: \   10 parse drop drop ; immediate
 ( And now we have comments! )
 include compound.fs
 ok
--- a/circleforth/compound.fs
+++ b/circleforth/compound.fs
@ -1,5 +1,19 @@
 ( CircleForth - Compound words )

+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\  Unless required by applicable law or agreed to in writing, software
+\  distributed under the License is distributed on an "AS IS" BASIS,
+\  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\  See the License for the specific language governing permissions and
+\  limitations under the License.
+
 ( Useful basic compound words )
 : 2drop ( n n -- ) drop drop ;
 : 2dup ( a b -- a b a b ) over over ;
--- a/reference/eforth.fs
+++ b/reference/eforth.fs
@ -1,519 +0,0 @@
-( EForth High Level Definitions )
-
-( Variables and User Variables )
-
-: doVAR ( -- a ) R> ;
-
-VARIABLE UP ( -- a, Pointer to the user area.)
-
-: doUSER ( -- a, Run time routine for user variables.)
-    R> @ \ retrieve user area offset
-    UP @ + ; \ add to user area base addr
-: doVOC ( -- ) R> CONTEXT ! ;
-: FORTH ( -- ) doVOC [ 0 , 0 ,
-: doUSER ( -- a ) R> @ UP @ + ;
-
-( User Variables )
-
-SP0 ( -- a, pointer to bottom of the data stack.)
-RP0 ( -- a, pointer to bottom of the return stack.)
-'?KEY ( -- a, execution vector of ?KEY. Default to ?rx.)
-'EMIT ( -- a, execution vector of EMIT. Default to tx!)
-'EXPECT ( -- a, execution vector of EXPECT. Default to 'accept'.)
-'TAP ( -- a, execution vector of TAP. Defulat the kTAP.)
-'ECHO ( -- a, execution vector of ECHO. Default to tx!.)
-'PROMPT ( -- a, execution vector of PROMPT. Default to '.ok'.)
-BASE ( -- a,.radix base for numeric I/O. Default to 10.)
-tmp ( -- a, a temporary storage location used in parse and find.)
-SPAN ( -- a, hold character count received by EXPECT.)
->IN ( -- a, hold the character pointer while parsing input stream.)
-#TIB ( -- a, hold the current count and address of the terminal input buffer.
-          Terminal Input Buffer used one cell after #TIB.)
-CSP ( -- a, hold the stack pointer for error checking.)
-'EVAL ( -- a, execution vector of EVAL. Default to EVAL.)
-'NUMBER ( -- a, address of number conversion. Default to NUMBER?.)
-HLD ( -- a, hold a pointer in building a numeric output string.)
-HANDLER ( -- a, hold the return stack pointer for error handling.)
-CONTEXT ( -- a, a area to specify vocabulary search order. Default to FORTH.
-             Vocabulary stack, 8 cells follwing CONTEXT.)
-CURRENT ( -- a, point to the vocabulary to be extended. Default to FORTH.
-             Vocabulary link uses one cell after CURRENT.)
-CP ( -- a, point to the top of the code dictionary.)
-NP ( -- a, point to the bottom of the name dictionary.)
-LAST ( -- a, point to the last name in the name dictionary.)
-
-( Common Functions )
-
-: ?DUP ( w -- w w | 0 ) DUP IF DUP THEN ;
-: ROT ( w1 w2 w3 -- w2 w3 w1 ) >R SWAP R> SWAP ;
-: 2DROP ( w w -- ) DROP DROP ;
-: 2DUP ( w1 w2 -- w1 w2 w1 w2 ) OVER OVER ;
-: + ( w w -- w ) UM+ DROP ;
-: NOT ( w -- w ) -1 XOR ;
-: NEGATE ( n -- -n ) NOT 1 + ;
-: DNEGATE ( d -- -d ) NOT >R NOT 1 UM+ R> + ;
-: D+ ( d d -- d ) >R SWAP >R UM+ R> R> + + ;
-: - ( w w -- w ) NEGATE + ;
-: ABS ( n -- +n ) DUP 0< IF NEGATE THEN ;
-
-( Comparison )
-
-: = ( w w -- t ) XOR IF 0 EXIT THEN -1 ;
-: U< ( u u -- t ) 2DUP XOR 0< IF SWAP DROP 0< EXIT THEN - 0< ;
-: < ( n n -- t ) 2DUP XOR 0< IF DROP 0< EXIT THEN - 0< ;
-: MAX ( n n -- n ) 2DUP < IF SWAP THEN DROP ;
-: MIN ( n n -- n ) 2DUP SWAP < IF SWAP THEN DROP ;
-: WITHIN ( u ul uh -- t ) \ ul <= u < uh
-         OVER - >R - R> U< ;
-
-( Divide )
-
-: UM/MOD ( ud u -- ur uq )
-    2DUP U<
-    IF NEGATE 15
-        FOR >R DUP UM+ >R >R DUP UM+ R> + DUP
-            R> R@ SWAP >R UM+ R> OR
-            IF >R DROP 1 + R> ELSE DROP THEN R>
-        NEXT DROP SWAP EXIT
-    THEN DROP 2DROP -1 DUP ;
-: M/MOD ( d n -- r q ) \ floored division
-    DUP 0< DUP >R
-    IF NEGATE >R DNEGATE R>
-    THEN >R DUP 0< IF R@ + THEN R> UM/MOD R>
-    IF SWAP NEGATE SWAP THEN ;
-: /MOD ( n n -- r q ) OVER 0< SWAP M/MOD ;
-: MOD ( n n -- r ) /MOD DROP ;
-: / ( n n -- q ) /MOD SWAP DROP ;
-
-( Multiply )
-
-: UM* ( u u -- ud )
-    0 SWAP ( u1 0 u2 ) 15
-    FOR DUP UM+ >R >R DUP UM+ R> + R>
-        IF >R OVER UM+ R> + THEN
-    NEXT ROT DROP ;
-: * ( n n -- n ) UM* DROP ;
-: M* ( n n -- d )
-    2DUP XOR 0< >R ABS SWAP ABS UM* R> IF DNEGATE THEN ;
-: */MOD ( n n n -- r q ) >R M* R> M/MOD ;
-: */ ( n n n -- q ) */MOD SWAP DROP ;
-
-( Memory Alignment )
-
-: CELL- ( a -- a ) -2 + ;
-: CELL+ ( a -- a ) 2 + ;
-: CELLS ( n -- n ) 2 * ;
-: ALIGNED ( b -- a )
-    DUP 0 2 UM/MOD DROP DUP
-    IF 2 SWAP - THEN + ;
-: BL ( -- 32 ) 32 ;
-: >CHAR ( c -- c )
-    $7F AND DUP 127 BL WITHIN IF DROP 95 THEN ;
-: DEPTH ( -- n ) SP@ SP0 @ SWAP - 2 / ;
-: PICK ( +n -- w ) 1 + CELLS SP@ + @ ;
-
-( Memory Access )
-
-: +! ( n a -- ) SWAP OVER @ + SWAP ! ;
-: 2! ( d a -- ) SWAP OVER ! CELL+ ! ;
-: 2@ ( a -- d ) DUP CELL+ @ SWAP @ ;
-: COUNT ( b -- b +n ) DUP 1 + SWAP C@ ;
-: HERE ( -- a ) CP @ ;
-: PAD ( -- a ) HERE 80 + ;
-: TIB ( -- a ) #TIB CELL+ @ ;
-: @EXECUTE ( a -- ) @ ?DUP IF EXECUTE THEN ;
-: CMOVE ( b b u -- )
-    FOR AFT >R DUP C@ R@ C! 1 + R> 1 + THEN NEXT 2DROP ;
-: FILL ( b u c -- )
-    SWAP FOR SWAP AFT 2DUP C! 1 + THEN NEXT 2DROP ;
-: -TRAILING ( b u -- b u )
-    FOR AFT BL OVER R@ + C@ <
-        IF R> 1 + EXIT THEN THEN
-    NEXT 0 ;
-: PACK$ ( b u a -- a ) \ null fill
-    ALIGNED DUP >R OVER
-    DUP 0 2 UM/MOD DROP
-    - OVER + 0 SWAP ! 2DUP C! 1 + SWAP CMOVE R> ;
-
-( Numeric Output )
-
-: DIGIT ( u -- c ) 9 OVER < 7 AND + 48 + ;
-: EXTRACT ( n base -- n c ) 0 SWAP UM/MOD SWAP DIGIT ;
-: <# ( -- ) PAD HLD ! ;
-: HOLD ( c -- ) HLD @ 1 - DUP HLD ! C! ;
-: # ( u -- u ) BASE @ EXTRACT HOLD ;
-: #S ( u -- 0 ) BEGIN # DUP WHILE REPEAT ;
-: SIGN ( n -- ) 0< IF 45 HOLD THEN ;
-: #> ( w -- b u ) DROP HLD @ PAD OVER - ;
-: str ( n -- b u ) DUP >R ABS <# #S R> SIGN #> ;
-: HEX ( -- ) 16 BASE ! ;
-: DECIMAL ( -- ) 10 BASE ! ;
-
-( Number Output )
-
-: str ( n -- b u )
-    ( Convert a signed integer to a numeric string.)
-    DUP >R ( save a copy for sign)
-    ABS ( use absolute of n)
-    <# #S ( convert all digits)
-    R> SIGN ( add sign from n)
-    #> ; ( return number string addr and length)
-: HEX ( -- )
-    ( Use radix 16 as base for numeric conversions.)
-    16 BASE ! ;
-: DECIMAL ( -- )
-    ( Use radix 10 as base for numeric conversions.)
-    10 BASE ! ;
-: .R ( n +n -- )
-    ( Display an integer in a field of n columns, right justified.)
-    >R str ( convert n to a number string)
-    R> OVER - SPACES ( print leading spaces)
-    TYPE ; ( print number in +n column format)
-: U.R ( u +n -- )
-    ( Display an unsigned integer in n column, right justified.)
-    >R ( save column number)
-    <# #S #> R> ( convert unsigned number)
-    OVER - SPACES ( print leading spaces)
-    TYPE ; ( print number in +n columns)
-: U. ( u -- )
-    ( Display an unsigned integer in free format.)
-    <# #S #> ( convert unsigned number)
-    SPACE ( print one leading space)
-    TYPE ; ( print number)
-: . ( w -- )
-    ( Display an integer in free format, preceeded by a space.)
-    BASE @ 10 XOR ( if not in decimal mode)
-    IF U. EXIT THEN ( print unsigned number)
-    str SPACE TYPE ; ( print signed number if decimal)
-: ? ( a -- )
-    ( Display the contents in a memory cell.)
-    @ . ; ( very simple but useful command)
-
-( Number Input )
-
-: DIGIT? ( c base -- u t )
-    >R 48 - 9 OVER <
-    IF 7 - DUP 10 < OR THEN DUP R> U< ;
-: NUMBER? ( a -- n T | a F )
-    BASE @ >R 0 OVER COUNT ( a 0 b n)
-    OVER C@ 36 =
-    IF HEX SWAP 1 + SWAP 1 - THEN ( a 0 b' n')
-        OVER C@ 45 = >R ( a 0 b n)
-        SWAP R@ - SWAP R@ + ( a 0 b" n") ?DUP
-        IF 1 - ( a 0 b n)
-            FOR DUP >R C@ BASE @ DIGIT?
-            WHILE SWAP BASE @ * + R> 1 +
-            NEXT DROP R@ ( b ?sign) IF NEGATE THEN SWAP
-        ELSE R> R> ( b index) 2DROP ( digit number) 2DROP 0
-        THEN DUP
-    THEN R> ( n ?sign) 2DROP R> BASE ! ;
-
-( Basic I/O )
-
-: ?KEY ( -- c T | F ) '?KEY @EXECUTE ;
-: KEY ( -- c ) BEGIN ?KEY UNTIL ;
-: EMIT ( c -- ) 'EMIT @EXECUTE ;
-: NUF? ( -- f ) ?KEY DUP IF 2DROP KEY 13 = THEN ;
-: PACE ( -- ) 11 EMIT ;
-: SPACE ( -- ) BL EMIT ;
-: CHARS ( +n c -- ) \ ???ANS conflict
-    SWAP 0 MAX FOR AFT DUP EMIT THEN NEXT DROP ;
-: SPACES ( +n -- ) BL CHARS ;
-: TYPE ( b u -- ) FOR AFT DUP C@ EMIT 1 + THEN NEXT DROP ;
-: CR ( -- ) 13 EMIT 10 EMIT ;
-: do$ ( -- a )
-    R> R@ R> COUNT + ALIGNED >R SWAP >R ;
-: $"| ( -- a ) do$ ;
-: ."| ( -- ) do$ COUNT TYPE ; COMPILE-ONLY
-: .R ( n +n -- ) >R str R> OVER - SPACES TYPE ;
-: U.R ( u +n -- ) >R <# #S #> R> OVER - SPACES TYPE ;
-: U. ( u -- ) <# #S #> SPACE TYPE ;
-: . ( n -- ) BASE @ 10 XOR IF U. EXIT THEN str SPACE TYPE ;
-: ? ( a -- ) @ . ;
-
-( Parsing )
-
-: parse ( b u c -- b u delta ; <string> )
-    tmp ! OVER >R DUP \ b u u
-    IF 1 - tmp @ BL =
-        IF \ b u' \ 'skip'
-            FOR BL OVER C@ - 0< NOT WHILE 1 +
-            NEXT ( b) R> DROP 0 DUP EXIT \ all delim
-            THEN R>
-        THEN OVER SWAP \ b' b' u' \ 'scan'
-        FOR tmp @ OVER C@ - tmp @ BL =
-           IF 0< THEN WHILE 1 +
-           NEXT DUP >R ELSE R> DROP DUP 1 + >R
-        THEN OVER - R> R> - EXIT
-    THEN ( b u) OVER R> - ;
-: PARSE ( c -- b u ; <string> )
-    >R TIB >IN @ + #TIB @ >IN @ - R> parse >IN +! ;
-: .( ( -- ) 41 PARSE TYPE ; IMMEDIATE
-: ( ( -- ) 41 PARSE 2DROP ; IMMEDIATE
-: \ ( -- ) #TIB @ >IN ! ; IMMEDIATE
-: CHAR ( -- c ) BL PARSE DROP C@ ;
-: TOKEN ( -- a ; <string> )
-    BL PARSE 31 MIN NP @ OVER - CELL- PACK$ ;
-: WORD ( c -- a ; <string> ) PARSE HERE PACK$ ;
-
-( Dictionary Search )
-
-: NAME> ( a -- xt ) CELL- CELL- @ ;
-: SAME? ( a a u -- a a f \ -0+ )
-    FOR AFT OVER R@ CELLS + @
-      OVER R@ CELLS + @ - ?DUP
-      IF R> DROP EXIT THEN THEN
-    NEXT 0 ;
-: find ( a va -- xt na | a F )
-    SWAP \ va a
-    DUP C@ 2 / tmp ! \ va a \ get cell count
-    DUP @ >R \ va a \ count byte & 1st char
-    CELL+ SWAP \ a' va
-    BEGIN @ DUP \ a' na na
-        IF DUP @ [ =MASK ] LITERAL AND R@ XOR \ ignore lexicon bits
-        IF CELL+ -1 ELSE CELL+ tmp @ SAME? THEN
-        ELSE R> DROP EXIT
-        THEN
-    WHILE CELL- CELL- \ a' la
-    REPEAT R> DROP SWAP DROP CELL- DUP NAME> SWAP ;
-: NAME? ( a -- xt na | a F )
-    CONTEXT DUP 2@ XOR IF CELL- THEN >R \ context<>also
-    BEGIN R> CELL+ DUP >R @ ?DUP
-    WHILE find ?DUP
-    UNTIL R> DROP EXIT THEN R> DROP 0 ;
-
-( Terminal )
-
-: ^H ( b b b -- b b b ) \ backspace
-    >R OVER R> SWAP OVER XOR
-    IF 8 'ECHO @EXECUTE
-        32 'ECHO @EXECUTE \ distructive
-        8 'ECHO @EXECUTE \ backspace
-    THEN ;
-: TAP ( bot eot cur c -- bot eot cur )
-    DUP 'ECHO @EXECUTE OVER C! 1 + ;
-: kTAP ( bot eot cur c -- bot eot cur )
-    DUP 13 XOR
-    IF 8 XOR IF BL TAP ELSE ^H THEN EXIT
-    THEN DROP SWAP DROP DUP ;
-: accept ( b u -- b u )
-    OVER + OVER
-    BEGIN 2DUP XOR
-    WHILE KEY DUP BL - 95 U<
-       IF TAP ELSE 'TAP @EXECUTE THEN
-    REPEAT DROP OVER - ;
-: EXPECT ( b u -- ) 'EXPECT @EXECUTE SPAN ! DROP ;
-: QUERY ( -- )
-    TIB 80 'EXPECT @EXECUTE #TIB ! DROP 0 >IN ! ;
-
-( Error Handling )
-
-: CATCH ( ca -- err#/0 )
-    ( Execute word at ca and set up an error frame for it.)
-    SP@ >R ( save current stack pointer on return stack )
-    HANDLER @ >R ( save the handler pointer on return stack )
-    RP@ HANDLER ! ( save the handler frame pointer in HANDLER )
-    ( ca ) EXECUTE ( execute the assigned word over this safety net )
-    R> HANDLER ! ( normal return from the executed word )
-    ( restore HANDLER from the return stack )
-    R> DROP ( discard the saved data stack pointer )
-    0 ; ( push a no-error flag on data stack )
-: THROW ( err# -- err# )
-    ( Reset system to current local error frame an update error flag.)
-    HANDLER @ RP! ( expose latest error handler frame on return stack)
-    R> HANDLER ! ( restore previously saved error handler frame )
-    R> SWAP >R ( retrieve the data stack pointer saved )
-    SP! ( restore the data stack )
-    DROP
-    R> ; ( retrived err# )
-
-CREATE NULL$ 0 , $," coyote"
-: ABORT ( -- ) NULL$ THROW ;
-: abort" ( f -- ) IF do$ THROW THEN do$ DROP ;
-
-( Text Interpreter )
-
-: $INTERPRET ( a -- )
-    NAME? ?DUP
-    IF @ $40 AND
-        ABORT" compile ONLY" EXECUTE EXIT
-    THEN 'NUMBER @EXECUTE IF EXIT THEN THROW ;
-: [ ( -- ) doLIT $INTERPRET 'EVAL ! ; IMMEDIATE
-: .OK ( -- ) doLIT $INTERPRET 'EVAL @ = IF ." ok" THEN CR ;
-: ?STACK ( -- ) DEPTH 0< ABORT" underflow" ;
-: EVAL ( -- )
-    BEGIN TOKEN DUP C@
-    WHILE 'EVAL @EXECUTE ?STACK
-    REPEAT DROP 'PROMPT @EXECUTE ;
-
-( Shell )
-
-: PRESET ( -- ) SP0 @ SP! TIB #TIB CELL+ ! ;
-: xio ( a a a -- ) \ reset 'EXPECT 'TAP 'ECHO 'PROMPT
-    doLIT accept 'EXPECT 2! 'ECHO 2! ; COMPILE-ONLY
-: FILE ( -- )
-    doLIT PACE doLIT DROP doLIT kTAP xio ;
-: HAND ( -- )
-    doLIT .OK doLIT EMIT [ kTAP xio ;
-    CREATE I/O ' ?RX , ' TX! , \ defaults
-: CONSOLE ( -- ) I/O 2@ '?KEY 2! HAND ;
-
-: QUIT ( -- )
-    RP0 @ RP!
-    BEGIN [COMPILE] [
-        BEGIN QUERY doLIT EVAL CATCH ?DUP
-        UNTIL 'PROMPT @ SWAP CONSOLE NULL$ OVER XOR
-        IF CR #TIB 2@ TYPE
-            CR >IN @ 94 CHARS
-            CR COUNT TYPE ." ? "
-        THEN doLIT .OK XOR
-        IF $1B EMIT THEN
-        PRESET
-    AGAIN ;
-
-( Interpreter and Compiler )
-
-: [ ( -- )
-    [ ' $INTERPRET ] LITERAL
-    'EVAL ! ( vector EVAL to $INTERPRET )
-; IMMEDIATE ( enter into text interpreter mode )
-
-: ] ( -- )
-    [ ' $COMPILE ] LITERAL
-    'EVAL ! ( vector EVAL to $COMPILE )
-;
-
-( Primitive Compiler Words )
-
-: ' ( -- xt ) TOKEN NAME? IF EXIT THEN THROW ;
-: ALLOT ( n -- ) CP +! ;
-: , ( w -- ) HERE DUP CELL+ CP ! ! ; \ ???ALIGNED
-: [COMPILE] ( -- ; <string> ) ' , ; IMMEDIATE
-: COMPILE ( -- ) R> DUP @ , CELL+ >R ;
-: LITERAL ( w -- ) COMPILE doLIT , ; IMMEDIATE
-: $," ( -- ) 34 WORD COUNT ALIGNED CP ! ;
-: RECURSE ( -- ) LAST @ NAME> , ; IMMEDIATE
-
-( Structures )
-
-: <MARK ( -- a ) HERE ;
-: <RESOLVE ( a -- ) , ;
-: >MARK ( -- A ) HERE 0 , ;
-: >RESOLVE ( A -- ) <MARK SWAP ! ;
-
-: FOR ( -- a ) COMPILE >R <MARK ; IMMEDIATE
-: BEGIN ( -- a ) <MARK ; IMMEDIATE
-: NEXT ( a -- ) COMPILE next <RESOLVE ; IMMEDIATE
-: UNTIL ( a -- ) COMPILE ?branch <RESOLVE ; IMMEDIATE
-: AGAIN ( a -- ) COMPILE branch <RESOLVE ; IMMEDIATE
-: IF ( -- A ) COMPILE ?branch >MARK ; IMMEDIATE
-: AHEAD ( -- A ) COMPILE branch >MARK ; IMMEDIATE
-: REPEAT ( A a -- ) [COMPILE] AGAIN >RESOLVE ; IMMEDIATE
-: THEN ( A -- ) >RESOLVE ; IMMEDIATE
-: AFT ( a -- a A ) DROP [COMPILE] AHEAD [COMPILE] BEGIN SWAP ; IMMEDIATE
-: ELSE ( A -- A ) [COMPILE] AHEAD SWAP [COMPILE] THEN ; IMMEDIATE
-: WHEN ( a A -- a A a ) [COMPILE] IF OVER ; IMMEDIATE
-: WHILE ( a -- A a ) [COMPILE] IF SWAP ; IMMEDIATE
-: ABORT" ( -- ; <string> ) COMPILE abort" $," ; IMMEDIATE
-: $" ( -- ; <string> ) COMPILE $"| $," ; IMMEDIATE
-: ." ( -- ; <string> ) COMPILE ."| $," ; IMMEDIATE
-
-( Compiler )
-
-: ?UNIQUE ( a -- a ) DUP NAME? IF ." reDef " OVER COUNT TYPE THEN DROP ;
-: $,n ( a -- )
-    DUP C@
-    IF ?UNIQUE
-        ( na) DUP LAST ! \ for OVERT
-        ( na) HERE ALIGNED SWAP
-        ( cp na) CELL-
-        ( cp la) CURRENT @ @
-        ( cp la na') OVER !
-        ( cp la) CELL- DUP NP ! ( ptr) ! EXIT
-    THEN $" name" THROW ;
-.( FORTH Compiler )
-: $COMPILE ( a -- )
-    NAME? ?DUP
-    IF @ $80 AND
-        IF EXECUTE ELSE , THEN EXIT
-    THEN 'NUMBER @EXECUTE
-    IF [COMPILE] LITERAL EXIT
-    THEN THROW ;
-: OVERT ( -- ) LAST @ CURRENT @ ! ;
-: ; ( -- )
-    COMPILE EXIT [COMPILE] [ OVERT ; IMMEDIATE
-: ] ( -- ) doLIT $COMPILE 'EVAL ! ;
-: call, ( xt -- ) \ DTC 8086 relative call
-    $E890 , HERE CELL+ - , ;
-: : ( -- ; <string> ) TOKEN $,n doLIT doLIST call, ] ;
-: IMMEDIATE ( -- ) $80 LAST @ @ OR LAST @ ! ;
-
-( Defining Words )
-
-: USER ( n -- ; <string> )
-    TOKEN $,n OVERT
-    doLIT doLIST COMPILE doUSER , ;
-: CREATE ( -- ; <string> )
-    TOKEN $,n OVERT
-    doLIT doLIST COMPILE doVAR ;
-: VARIABLE ( -- ; <string> ) CREATE 0 , ;
-
-( Memory Dump )
-
-: _TYPE ( b u -- )
-    FOR AFT DUP C@ >CHAR EMIT 1 + THEN NEXT DROP ;
-: dm+ ( b u -- b )
-    OVER 4 U.R SPACE FOR AFT DUP C@ 3 U.R 1 + THEN NEXT ;
-: DUMP ( b u -- )
-    BASE @ >R HEX 16 /
-    FOR CR 16 2DUP dm+ ROT ROT 2 SPACES _TYPE NUF? NOT WHILE
-    NEXT ELSE R> DROP THEN DROP R> BASE ! ;
-
-( Stack Tools )
-
-: .S ( -- ) CR DEPTH FOR AFT R@ PICK . THEN NEXT ." <sp" ;
-: .BASE ( -- ) BASE @ DECIMAL DUP . BASE ! ;
-: .FREE ( -- ) CP 2@ - U. ;
-: !CSP ( -- ) SP@ CSP ! ;
-: ?CSP ( -- ) SP@ CSP @ XOR ABORT" stack depth" ;
-
-( Dictionary Dump )
-
-: >NAME ( xt -- na | F )
-    CURRENT
-    BEGIN CELL+ @ ?DUP WHILE 2DUP
-        BEGIN @ DUP WHILE 2DUP NAME> XOR
-        WHILE CELL-
-        REPEAT THEN SWAP DROP ?DUP
-    UNTIL SWAP DROP SWAP DROP EXIT THEN DROP 0 ;
-: .ID ( a -- )
-    ?DUP IF COUNT $01F AND _TYPE EXIT THEN ." {noName}" ;
-: SEE ( -- ; <string> )
-    ' CR CELL+
-    BEGIN CELL+ DUP @ DUP IF >NAME THEN ?DUP
-        IF SPACE .ID ELSE DUP @ U. THEN NUF?
-    UNTIL DROP ;
-: WORDS ( -- )
-    CR CONTEXT @
-    BEGIN @ ?DUP
-    WHILE DUP SPACE .ID CELL- NUF?
-    UNTIL DROP THEN ;
-
-( Startup )
-
-: VER ( -- u ) $101 ;
-: hi ( -- )
-    !IO BASE @ HEX \ initialize IO device & sign on
-    CR ." eFORTH V" VER <# # # 46 HOLD # #> TYPE
-    CR ;
-: EMPTY ( -- )
-    FORTH CONTEXT @ DUP CURRENT 2! 6 CP 3 MOVE OVERT ;
-    CREATE 'BOOT ' hi , \ application vector
-: COLD ( -- )
-    BEGIN
-    U0 UP 74 CMOVE
-    PRESET 'BOOT @EXECUTE
-    FORTH CONTEXT @ DUP CURRENT 2! OVERT
-    QUIT
-    AGAIN ;
-
--- a/ueforth/Makefile
+++ b/ueforth/Makefile
@ -1,4 +1,4 @@
-VERSION=7.0.6.1
+VERSION=7.0.6.2
 REVISION=$(shell git rev-parse HEAD)
 REVSHORT=$(shell echo $(REVISION) | head -c 7)

@ -143,7 +143,7 @@ POSIX_BOOT =  common/boot.fs common/conditionals.fs common/vocabulary.fs \
              posix/autoboot.fs \
              common/fini.fs
 $(GEN)/posix_boot.h: common/source_to_string.js $(POSIX_BOOT) | $(GEN)
-	echo "ok" | cat $(POSIX_BOOT) - | $< boot $(VERSION) $(REVISION) >$@
+	echo "ok" | cat $(POSIX_BOOT) - | cat | $< boot $(VERSION) $(REVISION) >$@

 WINDOWS_BOOT = common/boot.fs common/conditionals.fs common/vocabulary.fs \
               common/hide_calls.fs common/ansi.fs \
@ -152,7 +152,7 @@ WINDOWS_BOOT = common/boot.fs common/conditionals.fs common/vocabulary.fs \
               common/blocks.fs common/locals.fs \
               common/fini.fs
 $(GEN)/windows_boot.h: common/source_to_string.js $(WINDOWS_BOOT) | $(GEN)
-	echo "ok" | cat $(WINDOWS_BOOT) - | $< boot $(VERSION) $(REVISION) >$@
+	echo "ok" | cat $(WINDOWS_BOOT) - | cat | $< boot $(VERSION) $(REVISION) >$@

 ESP32_BOOT = common/boot.fs common/conditionals.fs common/vocabulary.fs \
             common/tasks.fs esp32/platform.fs esp32/highlevel.fs \
@ -164,7 +164,7 @@ ESP32_BOOT = common/boot.fs common/conditionals.fs common/vocabulary.fs \
             esp32/camera.fs esp32/camera_server.fs common/blocks.fs \
             esp32/autoboot.fs common/fini.fs
 $(GEN)/esp32_boot.h: common/source_to_string.js $(ESP32_BOOT) | $(GEN)
-	echo "ok" | cat $(ESP32_BOOT) - | $< boot $(VERSION) $(REVISION) >$@
+	echo "ok" | cat $(ESP32_BOOT) - | cat | $< boot $(VERSION) $(REVISION) >$@

 $(GEN)/dump_web_opcodes: web/dump_web_opcodes.c common/opcodes.h | $(GEN)
 	$(CC) $(CFLAGS) $< -o $@
--- a/ueforth/README.md
+++ b/ueforth/README.md
@ -0,0 +1,17 @@
+# µEforth / ESP32forth
+
+This EForth inspired implementation of Forth is bootstraped from a minimalist C kernel.
+
+## Building from Source
+
+To build:
+
+```
+make
+```
+
+The resulting output will have this structure:
+
+* out/deploy - A copy of the eforth.appspot.com / esp32forth.appspot.com ready to deploy.
+* out/windows - A build for Windows.
+* out/linux - A build for Linux.
--- a/ueforth/common/all_tests.fs
+++ b/ueforth/common/all_tests.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 include common/testing.fs
 include common/utils.fs
 include common/base_tests.fs
--- a/ueforth/common/ansi.fs
+++ b/ueforth/common/ansi.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( ANSI Codes )
 vocabulary ansi   ansi definitions
 : esc   27 emit ;   : bel   7 emit ;
--- a/ueforth/common/base_tests.fs
+++ b/ueforth/common/base_tests.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Tests Base Operations )
 : test-empty-stack   depth 0= assert ;
 : test-add   123 111 + 234 = assert ;
--- a/ueforth/common/blocks.fs
+++ b/ueforth/common/blocks.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Block Files )
 internals definitions
 : clobber-line ( a -- a' ) dup 63 bl fill 63 + nl over c! 1+ ;
--- a/ueforth/common/boot.fs
+++ b/ueforth/common/boot.fs
@ -1,4 +1,19 @@
 : (   41 parse drop drop ; immediate
+: \   10 parse drop drop ; immediate
+
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.

 ( Useful Basic Compound Words )
 : nip ( a b -- b ) swap drop ;
@ -26,9 +41,6 @@
 : 4* 4 * ;   : 4/ 4 / ;
 : +! ( n a -- ) swap over @ + swap ! ;

-( Line Comments )
-: \   nl parse drop drop ; immediate
-
 ( Cells )
 : cell+ ( n -- n ) cell + ;
 : cells ( n -- n ) cell * ;
--- a/ueforth/common/calling.h
+++ b/ueforth/common/calling.h
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #define SET tos = (cell_t)

 #define n0 tos
--- a/ueforth/common/calls.h
+++ b/ueforth/common/calls.h
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #ifndef CALLTYPE
 # define CALLTYPE
 #endif
--- a/ueforth/common/conditionals.fs
+++ b/ueforth/common/conditionals.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Interpret time conditionals )

 : DEFINED? ( "name" -- xt|0 )
--- a/ueforth/common/conditionals_tests.fs
+++ b/ueforth/common/conditionals_tests.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Interpret time conditionals )

 e: test-1[if]
--- a/ueforth/common/core.h
+++ b/ueforth/common/core.h
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #define PRINT_ERRORS 0

 #define CELL_LEN(n) (((n) + sizeof(cell_t) - 1) / sizeof(cell_t))
--- a/ueforth/common/doloop_tests.fs
+++ b/ueforth/common/doloop_tests.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Test DO LOOP Works )

 e: test-0doloop
--- a/ueforth/common/editor.fs
+++ b/ueforth/common/editor.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 include posix/termios.fs

 create keymap
--- a/ueforth/common/filetools.fs
+++ b/ueforth/common/filetools.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 : dump-file ( a n a n -- )
  w/o create-file if drop ." failed create-file" exit then
  >r r@ write-file if r> drop ." failed write-file" exit then
--- a/ueforth/common/fini.fs
+++ b/ueforth/common/fini.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 internals
 ( Bring a forth to the top of the vocabulary. )
 transfer forth
--- a/ueforth/common/hide_calls.fs
+++ b/ueforth/common/hide_calls.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 internals definitions
 transfer{
  call0 call1 call2 call3 call4 call5 call6 call7 call8 call9 call10
--- a/ueforth/common/highlevel.fs
+++ b/ueforth/common/highlevel.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Including Files )
 : included ( a n -- )
   r/o open-file dup if nip throw else drop then
--- a/ueforth/common/interp.h
+++ b/ueforth/common/interp.h
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #define JMPW goto **(void **) w
 #define NEXT w = *ip++; JMPW
 #define ADDR_DOCOLON && OP_DOCOLON
--- a/ueforth/common/locals.fs
+++ b/ueforth/common/locals.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Local Variables )

 ( NOTE: These are not yet gforth compatible )
--- a/ueforth/common/locals_tests.fs
+++ b/ueforth/common/locals_tests.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Testing Locals )

 e: test-locals-one
--- a/ueforth/common/opcodes.h
+++ b/ueforth/common/opcodes.h
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <inttypes.h>
 #include <stdint.h>
 #include <stdlib.h>
--- a/ueforth/common/replace.js
+++ b/ueforth/common/replace.js
@ -1,14 +1,49 @@
 #! /usr/bin/env nodejs
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.

 var fs = require('fs');

+function DropCopyright(source) {
+  var lines = source.split('\n');
+  var cleaned = [];
+  for (var i = 0; i < lines.length; ++i) {
+    if (lines[i] == '<!--') {
+      while (lines[i] != '-->') {
+        ++i;
+      }
+      i += 2;
+    }
+    if (lines[i].search('Copyright') >= 0) {
+      while (lines[i] != '') {
+        ++i;
+      }
+    } else {
+      cleaned.push(lines[i]);
+    }
+  }
+  return cleaned.join('\n');
+}
+
 var source = fs.readFileSync(process.stdin.fd).toString();
 var replacements = [];
 for (var i = 2; i < process.argv.length; ++i) {
  var item = process.argv[i];
  var m = item.match(/^([^=]+)=@(.+)$/);
  if (m) {
-    replacements.push([m[1], fs.readFileSync(m[2]).toString()]);
+    var content = DropCopyright(fs.readFileSync(m[2]).toString());
+    replacements.push([m[1], content]);
    continue;
  }
  var m = item.match(/^([^=]+)=(.+)$/);
--- a/ueforth/common/source_to_string.js
+++ b/ueforth/common/source_to_string.js
@ -1,8 +1,36 @@
 #! /usr/bin/env nodejs
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.

 var fs = require('fs');

-var source = fs.readFileSync(process.stdin.fd).toString();
+function DropCopyright(source) {
+  var lines = source.split('\n');
+  var cleaned = [];
+  for (var i = 0; i < lines.length; ++i) {
+    if (lines[i].search('Copyright') >= 0) {
+      while (lines[i] != '') {
+        ++i;
+      }
+    } else {
+      cleaned.push(lines[i]);
+    }
+  }
+  return cleaned.join('\n');
+}
+
+var source = DropCopyright(fs.readFileSync(process.stdin.fd).toString());
 var name = process.argv[2];
 var version = process.argv[3];
 var revision = process.argv[4];
--- a/ueforth/common/streams.fs
+++ b/ueforth/common/streams.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Byte Stream / Ring Buffer )

 vocabulary streams   streams definitions
--- a/ueforth/common/tasking_tester.fs
+++ b/ueforth/common/tasking_tester.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Trying some things with tasks )

 : printer1   42 emit 1000 ms ;
--- a/ueforth/common/tasks.fs
+++ b/ueforth/common/tasks.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Cooperative Tasks )

 vocabulary tasks   tasks definitions
--- a/ueforth/common/testing.fs
+++ b/ueforth/common/testing.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 also ansi also posix

 ( Support for eval tests )
--- a/ueforth/common/utils.fs
+++ b/ueforth/common/utils.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Words built after boot )

 ( For tests and asserts )
--- a/ueforth/common/utils_tests.fs
+++ b/ueforth/common/utils_tests.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Tests of utils.fs )
 e: test-.s0
  .s
--- a/ueforth/common/vocabulary.fs
+++ b/ueforth/common/vocabulary.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Implement Vocabularies )
 variable last-vocabulary
 current @ constant forth-wordlist
--- a/ueforth/common/vocabulary_tests.fs
+++ b/ueforth/common/vocabulary_tests.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 e: test-vocabularies
  vocabulary foo
  vocabulary bar
--- a/ueforth/esp32/autoboot.fs
+++ b/ueforth/esp32/autoboot.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 internals definitions

 ( Change default block source on arduino )
--- a/ueforth/esp32/bindings.fs
+++ b/ueforth/esp32/bindings.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Migrate various words to separate vocabularies, and constants )

 vocabulary Wire   Wire definitions
--- a/ueforth/esp32/bterm.fs
+++ b/ueforth/esp32/bterm.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Lazy loaded Bluetooth Serial Terminal )

 : bterm r|
--- a/ueforth/esp32/camera.fs
+++ b/ueforth/esp32/camera.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Handling for ESP32-CAM )
 DEFINED? esp_camera_init [IF]

--- a/ueforth/esp32/camera_server.fs
+++ b/ueforth/esp32/camera_server.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Camera Server )
 DEFINED? camera [IF]

--- a/ueforth/esp32/fuse_ino.js
+++ b/ueforth/esp32/fuse_ino.js
@ -1,15 +1,43 @@
 #! /usr/bin/env nodejs
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.

 var fs = require('fs');

+function DropCopyright(source) {
+  var lines = source.split('\n');
+  var cleaned = [];
+  for (var i = 0; i < lines.length; ++i) {
+    if (lines[i].search('Copyright') >= 0) {
+      while (lines[i] != '') {
+        ++i;
+      }
+    } else {
+      cleaned.push(lines[i]);
+    }
+  }
+  return cleaned.join('\n');
+}
+
 var version = process.argv[2];
 var revision = process.argv[3];
 var code = fs.readFileSync(process.argv[4]).toString();
-var opcodes = fs.readFileSync(process.argv[5]).toString();
-var calling = fs.readFileSync(process.argv[6]).toString();
-var core = fs.readFileSync(process.argv[7]).toString();
-var interp = fs.readFileSync(process.argv[8]).toString();
-var boot = fs.readFileSync(process.argv[9]).toString();
+var opcodes = DropCopyright(fs.readFileSync(process.argv[5]).toString());
+var calling = DropCopyright(fs.readFileSync(process.argv[6]).toString());
+var core = DropCopyright(fs.readFileSync(process.argv[7]).toString());
+var interp = DropCopyright(fs.readFileSync(process.argv[8]).toString());
+var boot = DropCopyright(fs.readFileSync(process.argv[9]).toString());

 code = code.replace('{{VERSION}}', function() { return version; });
 code = code.replace('{{REVISION}}', function() { return revision; });
--- a/ueforth/esp32/highlevel.fs
+++ b/ueforth/esp32/highlevel.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Words with OS assist )
 : allocate ( n -- a ior ) malloc dup 0= ;
 : free ( a -- ior ) sysfree drop 0 ;
--- a/ueforth/esp32/platform.fs
+++ b/ueforth/esp32/platform.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Add a yielding task so pause yields )
 internals definitions
 transfer{ yield raw-yield }transfer
--- a/ueforth/esp32/registers.fs
+++ b/ueforth/esp32/registers.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 vocabulary registers   registers definitions

 ( Tools for working with bit masks )
--- a/ueforth/esp32/template.ino
+++ b/ueforth/esp32/template.ino
@ -1,3 +1,19 @@
+/*
+ * Copyright 2021 Bradley D. Nelson
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
 /*
 * ESP32forth v{{VERSION}}
 * Revision: {{REVISION}}
--- a/ueforth/esp32/timers.fs
+++ b/ueforth/esp32/timers.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 vocabulary timers   timers definitions   also registers also interrupts

 $3ff5f000 constant TIMG_BASE
--- a/ueforth/esp32/web_interface.fs
+++ b/ueforth/esp32/web_interface.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Server Terminal )

 also streams also WiFi also web-interface definitions
--- a/ueforth/posix/autoboot.fs
+++ b/ueforth/posix/autoboot.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Include first argument if any )
 internals definitions
 : autoexec
--- a/ueforth/posix/httpd.fs
+++ b/ueforth/posix/httpd.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( HTTP Daemon )
 vocabulary httpd   httpd definitions also sockets

--- a/ueforth/posix/posix.fs
+++ b/ueforth/posix/posix.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 vocabulary posix   posix definitions

 ( Shared Library Handling )
--- a/ueforth/posix/posix_desktop.fs
+++ b/ueforth/posix/posix_desktop.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Arguments )
 internals definitions
 : 'argc ( -- a ) 'sys 9 cells + ;
--- a/ueforth/posix/posix_highlevel.fs
+++ b/ueforth/posix/posix_highlevel.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Words with OS assist )
 posix
 : allocate ( n -- a ior ) malloc dup 0= ;
--- a/ueforth/posix/posix_main.c
+++ b/ueforth/posix/posix_main.c
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <dlfcn.h>
 #include <sys/mman.h>

--- a/ueforth/posix/pthreads.fs
+++ b/ueforth/posix/pthreads.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( pthreads )
 posix definitions also internals

--- a/ueforth/posix/shell.fs
+++ b/ueforth/posix/shell.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Shell like words )
 vocabulary shell   shell definitions also posix
 512 constant max-path
--- a/ueforth/posix/sockets.fs
+++ b/ueforth/posix/sockets.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Sockets )
 vocabulary sockets   sockets definitions also posix

--- a/ueforth/posix/telnetd.fs
+++ b/ueforth/posix/telnetd.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Telnet )

 vocabulary telnetd   telnetd definitions also sockets
--- a/ueforth/posix/terminal.fs
+++ b/ueforth/posix/terminal.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 also posix also termios
 s" /dev/ttyS3" r/w O_NONBLOCK or open-file throw constant remote
 256 constant ICRNL
--- a/ueforth/posix/termios.fs
+++ b/ueforth/posix/termios.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Terminal Handling )

 vocabulary termios   termios definitions also posix
--- a/ueforth/posix/web_interface.fs
+++ b/ueforth/posix/web_interface.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Server Terminal )

 also streams also httpd
--- a/ueforth/posix/xlib.fs
+++ b/ueforth/posix/xlib.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Bindings for Xlib )
 also posix
 vocabulary x11   also x11 definitions
--- a/ueforth/posix/xlib_test.fs
+++ b/ueforth/posix/xlib_test.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 include posix/xlib.fs

 also x11
--- a/ueforth/site/ESP32forth.html
+++ b/ueforth/site/ESP32forth.html
@ -1,4 +1,20 @@
 <!DOCTYPE html>
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <head>
 <meta charset="UTF-8">
 <title>ESP32forth</title>
--- a/ueforth/site/app.yaml
+++ b/ueforth/site/app.yaml
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 runtime: go115

 default_expiration: "1m"
--- a/ueforth/site/classic.html
+++ b/ueforth/site/classic.html
@ -1,4 +1,20 @@
 <!DOCTYPE html>
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <head>
 <meta charset="UTF-8">
 <title>Classic EForth</title>
--- a/ueforth/site/common.html
+++ b/ueforth/site/common.html
@ -1,3 +1,19 @@
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <h5>Null Terminated Strings</h5>
 <p>
 As null terminated strings are used throughout C interfaces,
--- a/ueforth/site/desktop_common.html
+++ b/ueforth/site/desktop_common.html
@ -1,3 +1,18 @@
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->

 <h3>Windows &amp; Linux Calling</h3>

--- a/ueforth/site/eforth.go
+++ b/ueforth/site/eforth.go
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package main

 import (
--- a/ueforth/site/index.html
+++ b/ueforth/site/index.html
@ -1,4 +1,20 @@
 <!DOCTYPE html>
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <head>
 <meta charset="UTF-8">
 <title>EForth</title>
--- a/ueforth/site/internals.html
+++ b/ueforth/site/internals.html
@ -1,4 +1,20 @@
 <!DOCTYPE html>
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <head>
 <meta charset="UTF-8">
 <title>µEforth Internals</title>
--- a/ueforth/site/linux.html
+++ b/ueforth/site/linux.html
@ -1,4 +1,20 @@
 <!DOCTYPE html>
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <head>
 <meta charset="UTF-8">
 <title>µEforth for Linux</title>
--- a/ueforth/site/menu.html
+++ b/ueforth/site/menu.html
@ -1,3 +1,19 @@
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <div class="menu">
  <span><a href="https://esp32forth.appspot.com/ESP32forth.html">ESP32forth</a></span>
  <span><a href="https://eforth.appspot.com/linux.html">Linux</a></span>
--- a/ueforth/site/posix_common.html
+++ b/ueforth/site/posix_common.html
@ -1,3 +1,19 @@
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <h5>Web Interface</h5>
 These words are inside the <code>web-interface</code> vocabulary.
 <pre>
--- a/ueforth/site/static/eforth.css
+++ b/ueforth/site/static/eforth.css
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 body {
  max-width: 800px;
  margin-top: 0px;
--- a/ueforth/site/windows.html
+++ b/ueforth/site/windows.html
@ -1,4 +1,20 @@
 <!DOCTYPE html>
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <head>
 <meta charset="UTF-8">
 <title>µEforth for Windows</title>
--- a/ueforth/tools/webindex.py
+++ b/ueforth/tools/webindex.py
@ -1,4 +1,17 @@
 #! /usr/bin/env python
+# Copyright 2021 Bradley D. Nelson
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.

 import sys

--- a/ueforth/web/dump_web_opcodes.c
+++ b/ueforth/web/dump_web_opcodes.c
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <stdio.h>
 #include <string.h>

--- a/ueforth/web/fuse_web.js
+++ b/ueforth/web/fuse_web.js
@ -1,4 +1,17 @@
 #! /usr/bin/env nodejs
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.

 var fs = require('fs');
 var code = fs.readFileSync(process.argv[2]).toString();
--- a/ueforth/web/terminal.html
+++ b/ueforth/web/terminal.html
@ -1,4 +1,20 @@
 <!DOCTYPE html>
+<!--
+Copyright 2021 Bradley D. Nelson
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
 <script src="ueforth.js"></script>
 <script type="forth">
 needs ansi.fs
--- a/ueforth/web/web.template.js
+++ b/ueforth/web/web.template.js
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 'use strict';

 (function() {
--- a/ueforth/windows/terminal.fs
+++ b/ueforth/windows/terminal.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 also windows
 s" \\.\COM3" r/w open-file throw constant remote
 : remote-type ( a n -- ) remote write-file throw ;
--- a/ueforth/windows/ueforth.rc
+++ b/ueforth/windows/ueforth.rc
@ -1 +1,15 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 IDI_MAIN_ICON ICON "out/resources/eforth.ico"
--- a/ueforth/windows/windows.fs
+++ b/ueforth/windows/windows.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 vocabulary windows   windows definitions

 ( DLL Handling )
--- a/ueforth/windows/windows_highlevel.fs
+++ b/ueforth/windows/windows_highlevel.fs
@ -1,3 +1,17 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
 ( Words with OS assist )
 windows
 z" GetProcessHeap" 0 Kernel32 GetProcessHeap
--- a/ueforth/windows/windows_interp.h
+++ b/ueforth/windows/windows_interp.h
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #define NEXT goto next
 #define JMPW goto work
 #define ADDR_DOCOLON ((void *) OP_DOCOLON)
--- a/ueforth/windows/windows_main.c
+++ b/ueforth/windows/windows_main.c
@ -1,3 +1,17 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #define _USING_V110_SDK71_ 1
 #include "windows.h"
 #include <immintrin.h>