Github user martin-g commented on the issue:
https://github.com/apache/wicket/pull/195
@duesenklipper I am the non-German guy here but it seems it is just me who
uses de_DE locale to catch such kind of problems :-) Your fix is good!
@klopfdreh Please update this branch to latest wicket-7.x and I'll retest
it again with JDK1.7
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