* document the recent changes

man/mu-cfind.1

@@ -1,4 +1,4 @@
-.TH MU CFIND 1 "April 2011" "User Manuals"
+.TH MU CFIND 1 "May 2011" "User Manuals"
 
 .SH NAME 
 

man/mu-easy.1

@@ -229,7 +229,7 @@ expression, \fBmu cfind\fR lists all of your contacts.
 .fi
 
 will find all contacts with 'julius' in either name or e-mail address. Note
-that \fBmu cfind\fR accepts a regular expression.
+that \fBmu cfind\fR accepts a \fIregular expression\fR.
 
 \fBmu cfind\fR also supports a \fI--format=\fR-parameter, which sets the
 output to some specific format, so the results can be imported into another

man/mu-extract.1

@@ -19,9 +19,10 @@ For attachments, the file name used for saving is the name of the attachment
 in the message. If there is no such name, or when saving other MIME-parts, a
 name is derived from the message-id of the message.
 
-If you specify a pattern (a case-insensitive regular expression)as the second
+If you specify a pattern (a case-insensitive regular expression) as the second
 argument, all attachments with filenames matching that pattern will be
-extracted.
+extracted. The regular expressions are Perl-compatible (as per the
+PCRE-library).
 
 Without any options, \fBmu extract\fR simply outputs the list of MIME-parts in
 the message.

man/mu-find.1

@@ -73,8 +73,9 @@ mails with a subject containing a word starting with \fBcom\fR, you can use:
 
 and get mails about computers, comments, compilation and so on. Note, when
 running from the command-line it's import to put the query in quotes,
-otherwise the shell would interpret the '*'.
-
+otherwise the shell would interpret the '*'. It is important to remember that
+the '*' invokes the wildcard search only when used as the rightmost character
+of a search term. Furthermore, it is \fBnot\fR a regular expression. 
 
 In older versions of mu, queries were logged in \fI<mu-home>/mu.log\fR;
 however, since version 0.9, mu no longer does this.