[TWiki-Dev] [SVN] HaraldJoerg r30336 - twiki/trunk/core/lib/TWiki

[<de...@de...>]

Author: HaraldJoerg
Date: 2017-05-25 22:56:59 +0000 (Thu, 25 May 2017)
New Revision: 30336
Trac url: http://develop.twiki.org/trac/changeset/30336

Modified:
   twiki/trunk/core/lib/TWiki/I18N.pm
Log:
Item7799: allow undefined language in _normalize

Modified: twiki/trunk/core/lib/TWiki/I18N.pm
===================================================================
--- twiki/trunk/core/lib/TWiki/I18N.pm	2017-05-25 22:52:47 UTC (rev 30335)
+++ twiki/trunk/core/lib/TWiki/I18N.pm	2017-05-25 22:56:59 UTC (rev 30336)
@@ -58,10 +58,10 @@
 }
 
 # utility function: normalize language tags like ab_CD to ab-cd
-# also renove any character there is not a letter [a-z] or a hyphen.
+# also remove any character which is not a letter [a-z] nor a hyphen.
 sub _normalize_language_tag {
-    my $tag = shift;
-    $tag = lc($tag);;
+    my $tag = shift || "";
+    $tag = lc($tag);
     $tag =~ s/\_/-/g;
     $tag =~ s/[^a-z-]//g;
     return $tag;