Problem solved:
>I am using the latest version of Apache::Language
>I noticed that the Apache::Language.pod says that the PlainFile format is:
>phrase-id:lang-type
>
>While the PlainFile.pod says:
>lang-tag:phrase-id
>
>The first one seems to work.
>
It works like Apache::Language::PlainFile describes: (lang-tag:phrase-id).
>
>Also I am getting the following error:
>warn] [Apache::Language (111)] STORE needs a language specification to work
>for each phrase looked up.
>
>After these messages I always get the dreaded:
>child pid 12280 exit signal Segmentation fault (11)
>
My problems was that I did not have the negotiation_module loaded and
Options +MultiViews
specified in the httd.conf file.