* docs: add some examples of queries that need quoting

man/mu-easy.1

@@ -1,4 +1,4 @@
-.TH MU-EASY 1 "May 2012" "User Manuals"
+.TH MU-EASY 1 "July 2012" "User Manuals"
 
 .SH NAME
 
@@ -144,6 +144,13 @@ Get all messages from Jim without an attachment:
   \fB$ mu find from:jim AND NOT flag:attach\fR
 .fi
 
+Get all messages in the Sent Items folder about yoghurt:
+.nf
+ \fB$mu find maildir:'/Sent Items' yoghurt\fR
+.fi
+Note how we need to quote search terms that include spaces.
+
+
 Get all unread messages where the subject mentions Ångström:
 .nf
   \fB$ mu find subject:Ångström flag:unread\fR

man/mu-find.1

@@ -81,8 +81,7 @@ would do in an internet search engine. For example,
 will find all messages that contain both 'monkey' and 'banana' in either body
 or subject or one of the address-fields (to/from/cc).
 
-As mentioned, matching is case-insensitive and accent-insensitive;
-thus
+As mentioned, matching is case-insensitive and accent-insensitive; thus
 
 .nf
   $ mu find Mönkey BÄNAÑå
@@ -90,6 +89,7 @@ thus
 
 yields the same results as the example above.
 
+
 \fBmu\fR also recognizes prefixes for specific fields in a messages; for
 example:
 
@@ -243,7 +243,21 @@ could use:
   $ mu find size:10K..2M
 .fi
 
-Finally, you can match \fIall\fR messages using "":
+
+It's important to remember that if a search term includes spaces, you should
+\fIquote\fr those parts. Thus, when we look at the following examples:
+
+.nf
+  $ mu find maildir:/Sent Items yoghurt
+  $ mu find maildir:'/Sent Items' yoghurt
+.fi
+
+The first query searches for messages in the \fI/Sent\fR maildir matching
+\fIItems\fR and \fIyoghurt\fR, while the second query searches the \fI/Sent
+Items\fR maildir searching for messages matching \fIyoghurt\fR.
+
+
+You can match \fIall\fR messages using "" (or ''):
 
 .nf
   $ mu find ""