[bug #62344] Sync recognized names of paper sizes

[Dave]

Follow-up Comment #2, bug #62344 (project groff):

[comment #1 comment #1:]
> I'm quite happy to add code to gropdf to parse paper.tmac, if
> this considered to be the authoritive source.

I too don't have a clear idea what should be considered the authoritative
source for paper sizes, but this proposal does at least bring the number of
separate lists down from 3 to 2.

The algorithm paper.cpp uses to generate the A-D sizes is clever, but
ultimately merely computes known and unchanging numbers, which could be more
human-readably put in a list as is done in the other two places.  There's no
particular need for these computations to be done at run time (though in C++
code I imagine they incur no measurable performance penalty).

The algorithm could be retooled as a little standalone utility that generates
the canonical data set in a way all the other code could read, but even that
I'm not convinced offers any advantage over just storing the data in a flat
text file.


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