slight documentation imrpovement from Will Fiveash.

1 files changed, 15 insertions, 0 deletions

diff --git a/doc/manual.sgml.head b/doc/manual.sgml.head
index 1611deee..bca872f8 100644
--- a/doc/manual.sgml.head
+++ b/doc/manual.sgml.head
@@ -1450,6 +1450,12 @@ A regular expression is a pattern that describes a set of strings.
 Regular expressions are constructed analogously to arithmetic
 expressions, by using various operators to combine smaller expressions.
 
+Note that the regular expression can be enclosed/delimited by either " or
+' which is useful if the regular expression includes a white-space
+character.  See <ref id="sect1" name="Syntax of Initialization Files">
+for more information on " and ' delimiter processing.  To match a literal
+" or ' you must preface it with \ (backslash).
+
 The fundamental building blocks are the regular expressions that match
 a single character.  Most characters, including all letters and digits,
 are regular expressions that match themselves.  Any metacharacter with
@@ -1686,6 +1692,15 @@ field and which are from ``elkins''.
 !(~t mutt|~c mutt) ~f elkins
 </verb></tscreen>
 
+Here is an example using white space in the regular expression (note the
+' and " delimiters).  For this to match, the mail's subject must match
+the ``^Junk +From +Me$'' and it must be from either ``Jim +Somebody'' or
+``Ed +SomeoneElse'' :
+
+<tscreen><verb>
+'~s "^Junk +From +Me$" ~f ("Jim +Somebody"|"Ed +SomeoneElse")'
+</verb></tscreen>
+
 <sect2>Searching by Date
 <p>
 Mutt supports two types of dates, <em/absolute/ and <em/relative/.