That list is not closed, we can add more keywords if there is a need
(or desire) for them. So there is no template with all the possible
keywords; but you can take a look at /tools/yaml/validate-header.rb
(same branch) for the ones we take into account at the moment.
Sorry to jump in
> Thanks, but *which* one is the `perfect' showcase template that
> contains all of the useful (and perhaps not so useful) entries? For
> example, looking into `hyph-de-1996.tex', I don't see information on
> \lefthyphenmin at all...
Well, of course not, since you didn’t put it in the source
>> Hehe, yes, it somehow doesn't occur to me earlier that this
>> meta-information is missing.
>
> Just for the record, commit faa9a049 by Mojca, from June 2008, added
> the hyphenmin values for German to one of our support files :-)
Well, the Babel package also contains this information – in
>> [...] I thus suggest to add to all hyphenation pattern files in
>> the `tex-hyphen' repository two lines to the header comments:
>>
>> % \lefthyphenmin=X
>> % \righthyphenmin=Y
>>
>> (with proper values for `X' and `Y').
>
> This is in fact on immediate agenda, see
>
