master
[libgroff]: Drop "matherr.c" file.
[libgroff]: Improve #include discipline (5/5).
[libgroff]: Tweak author notices.
[libgroff]: Wrap long input lines.
Trivially refactor.
[libgroff]: `errarg` now handles unsigned longs.
[libgroff,troff]: Refactor nonreturning functions.
[libgroff]: Improve internal organization (4/4).
Declare groff's provenance consistently.
[libgroff,troff]: Refactor font load diagnostics.
src/libs/libgroff/fontfile.cpp: Revise copyright.
Improve "driver.h" header file discipline.
[libgroff]: Annotate the groff glyph list (GGL).
[libgroff]: Improve internal organization (3/4).
[libgroff]: Initialize memory more fastidiously.
[libgroff]: Annotate similar functions.
Fix Savannah #68372.
[libgroff]: Annotate future directions.
[libgroff]: Improve #include discipline (4/5).
[libgroff]: Improve #include discipline (2/5).
src/libs/libgroff/quotearg.c: Slightly refactor.
[libgroff]: Drop unnecessary function call.
[libgroff]: Remove `string::remove_spaces()`.
[libgroff]: Revise copyright notice.
[libgroff]: Trivially refactor.