[bug #60981] pre-grohtml doesn't honor -F option

[G. Branden Robinson]

URL:
  <https://savannah.gnu.org/bugs/?60981>

                 Summary: pre-grohtml doesn't honor -F option
                 Project: GNU troff
            Submitted by: gbranden
            Submitted on: Wed 28 Jul 2021 06:02:51 AM UTC
                Category: Device grohtml
                Severity: 3 - Normal
              Item Group: Incorrect behaviour
                  Status: In Progress
                 Privacy: Public
             Assigned to: gbranden
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:


$ head ../altbuild/font/devps/DESC
res 48000
hor 1
vert 1
sizescale 1000
unitwidth 1000
sizes 1000-10000000 0
styles R I B BI
family T
fonts 9 0 0 0 0 0 SS S ZD ZDR
tcommand
$ ./pre-grohtml -F ../altbuild/font
./pre-grohtml: error: can't find 'DESC' file
./pre-grohtml: fatal error: cannot find devhtml/DESC exiting


This appears to be because pre-html's `main` is using `font::load_desc()` to
try to get at the DESC file instead of `font_path.open_file` as the function
`get_resolution` does.




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