Re: 'r' history parameter documentation fix

[Peter Stephenson <Peter.Stephenson@xxxxxxx>]

This is what it actually does.

Index: Doc/Zsh/expn.yo
===================================================================
RCS file: /cvsroot/zsh/zsh/Doc/Zsh/expn.yo,v
retrieving revision 1.136
diff -p -u -r1.136 expn.yo
--- Doc/Zsh/expn.yo	19 May 2011 16:24:38 -0000	1.136
+++ Doc/Zsh/expn.yo	25 Jul 2011 10:14:27 -0000
@@ -259,8 +259,9 @@ item(tt(Q))(
 Remove one level of quotes from the substituted words.
 )
 item(tt(r))(
-Remove a filename extension of the form `tt(.)var(xxx)', leaving
-the root name.
+Remove a filename extension, i.e. a `tt(.)' followed by any number of
+characters (including zero) that are not `tt(.)', leaving the root
+name.
 )
 item(tt(s/)var(l)tt(/)var(r)[tt(/)])(
 Substitute var(r) for var(l) as described below.

-- 
Peter Stephenson <pws@xxxxxxx>            Software Engineer
Tel: +44 (0)1223 692070                   Cambridge Silicon Radio Limited
Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, UK


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