[htmltmpl] html::template::expr '.' fix

[Neil <htm...@ia...>]

Hello

Possibly the worlds second smallest patch...

In html::template::expr the character '.' should IMO be part of 
variables. I use this to use things like 'dc.title'.

--- template/Expr.pm.orig       2003-11-03 22:56:55.000000000 +0000
+++ template/Expr.pm    2003-11-03 22:57:33.000000000 +0000
@@ -46,7 +46,7 @@

  args          : <leftop: subexpression ',' subexpression>

-var           : /[A-Za-z_][A-Za-z0-9_]*/  { \\\$item[1] }
+var           : /[A-Za-z_][A-Za-z0-9_\.]*/  { \\\$item[1] }

  literal       : /-?\\d*\\.\\d+/           { \$item[1] }
                | /-?\\d+/                  { \$item[1] }