[bug #65961] [grohtml] pre-html.cpp: suppress certain warnings from pnmcrop

[G. Branden Robinson]

Update of bug #65961 (group groff):

                 Summary: pre-html.cpp: suppress spurious warnings from buggy
pnmcrop => [grohtml] pre-html.cpp: suppress certain warnings from pnmcrop

    _______________________________________________________

Follow-up Comment #2:

Not sure I agree with you this time, Dave.

_pre-grohtml_(1) does sometimes seem to cause blank images to be constructed. 
That in turn seems to be harmless behavior (while I'm not a fan of the clutter
on the file system, _grohtml_'s design commits it to a footprint there), and
if it's a bug, then it looks to me like it's a bug in _pre-grohtml_ for
passing empty rectangular regions of the page image to _pnmcrop_ in the first
place.  That hypothesis needs to be checked, but if it's correct then
_pnmcrop_ is doing what we ask of it, and throwing a diagnostic when it
_can't_ do what we're asking of it (crop an uncroppable image).

See its [https://netpbm.sourceforge.net/doc/pnmcrop.html upstream
documentation].

I do concede that if we can and do fix _pre-grohtml_ to never send blank
rectangles to _pnmcrop_ in the first place, we can (and should_ reënable this
diagnostic.

But since my (long-term) plan is to stop producing images from _tbl_ and _eqn_
regions in the first place (see bug #60052 et al.), I don't feel strongly
motivated to tackle the blank rectangle issue.


    _______________________________________________________

Reply to this item at:

  <https://savannah.gnu.org/bugs/?65961>

_______________________________________________
Message sent via Savannah
https://savannah.gnu.org/

signature.asc
Description: PGP signature