Author: larry
Date: Mon Feb 19 21:53:46 2007
New Revision: 13591
Modified:
doc/trunk/design/syn/S05.pod
Log:
wrong quantifier on ident noted by putter++
Modified: doc/trunk/design/syn/S05.pod
==============================================================================
--- doc/trunk/design/syn/S05.pod (original)
+++ doc/trunk/design/syn/S05.pod Mon Feb 19 21:53:46 2007
@@ -14,9 +14,9 @@
Maintainer: Patrick Michaud <[EMAIL PROTECTED]> and
Larry Wall <[EMAIL PROTECTED]>
Date: 24 Jun 2002
- Last Modified: 8 Feb 2007
+ Last Modified: 19 Feb 2007
Number: 5
- Version: 51
+ Version: 52
This document summarizes Apocalypse 5, which is about the new regex
syntax. We now try to call them I<regex> rather than "regular
@@ -1379,12 +1379,12 @@
A token declaration:
- token ident { [ <alpha> | _ ] \w+ }
+ token ident { [ <alpha> | _ ] \w* }
never backtracks by default. That is, it likes to commit to whatever
it has scanned so far. The above is equivalent to
- regex ident { [ <alpha>: | _: ]: \w+: }
+ regex ident { [ <alpha>: | _: ]: \w*: }
but rather easier to read. The bare C<*>, C<+>, and C<?> quantifiers
never backtrack in a C<token> unless some outer regex has specified a
