Index: en/reference/pcre/pattern.syntax.xml
===================================================================
--- en/reference/pcre/pattern.syntax.xml (revision 336676)
+++ en/reference/pcre/pattern.syntax.xml (working copy)
@@ -1788,7 +1788,8 @@
(?P=name) or, since PHP 5.2.2, also by
\k<name> or \k'name'.
Additionally PHP 5.2.4 added support for \k{name}
- and \g{name}.
+ and \g{name}, and PHP 5.2.7 for
+ \g<name> and \g'name'.