Author: larry
Date: Wed Feb 28 09:54:41 2007
New Revision: 14307
Modified:
doc/trunk/design/syn/S05.pod
Log:
Deleted obsolete symbol construct
Modified: doc/trunk/design/syn/S05.pod
==============================================================================
--- doc/trunk/design/syn/S05.pod (original)
+++ doc/trunk/design/syn/S05.pod Wed Feb 28 09:54:41 2007
@@ -14,9 +14,9 @@
Maintainer: Patrick Michaud <[EMAIL PROTECTED]> and
Larry Wall <[EMAIL PROTECTED]>
Date: 24 Jun 2002
- Last Modified: 19 Feb 2007
+ Last Modified: 28 Feb 2007
Number: 5
- Version: 52
+ Version: 53
This document summarizes Apocalypse 5, which is about the new regex
syntax. We now try to call them I<regex> rather than "regular
@@ -395,23 +395,6 @@
m/:foo{xxx}/ Parses as :foo {xxx}
m/:foo<xxx>/ Parses as :foo <xxx>
-If the key of the pair is null, however, it is treated as a "symbol"
-declaration:
-
- :<*> Match * symbol
- :<[> <EXPR> :<]> Match bracketed expression as symbol :<[ ]>
- :['<','>'] Match empty <> as circumfix symbol
- :(&infix) Match any symbol matched by the infix category
-
-The components of a symbol declaration are matched literally, but
-the list of such symbols is gathered up when the rule is parsed and
-returned as the C<.symbol> property of the rule. (The C<.category>
-property should also be available for such rules, since these
-properties are used to form the eventual user-visible name of the
-operator being parsed.)
-
-The C<:()> form is conjectured to be useful in generating hyperoperators.
-
=item *
User-defined modifiers will be possible:
