Re: [LFS Trac] #5722: m4-1.4.20

#5722: m4-1.4.20
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 Reporter:  Bruce Dubbs  |       Owner:  lfs-book
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  12.4
Component:  Book         |     Version:  git
 Severity:  normal       |  Resolution:
 Keywords:               |
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Comment (by Bruce Dubbs):

 GNU M4 NEWS - User visible changes.

 Noteworthy changes in release 1.4.20 (2025-05-10) [stable]

 * Fix a bug in the `eval' builtin where it does not suppress warnings
   about division by zero that occurs within a more complex expression on
   the right hand side of !|| or && (present since short-circuiting was
   introduced in 1.4.8b).

 * The `syscmd' and `esyscmd' builtins no longer mishandle a command line
   starting with `-' or `+' (present since "the beginning").

 * Fix regression introduced in 1.4.19 where trace output (such as with
   `debugmode(t)') could read invalid memory when tracing a series of
   pushed macros that are popped during argument collection.

 * Fix regression introduced in 1.4.19 where the `format' builtin
   inadvertently took on locale-dependent parsing and output of floating
   point numbers as a side-effect of introducing message translations.
   While it would be nice for m4 to be fully locale-aware, such a behavior
   change belongs in a major version release such as 1.6, and not a minor
   release.

 * Fix regression introduced in 1.4.11 where the experimental `changeword'
   builtin could cause a crash if given a regex that does not match all
   one-byte prefixes of valid longer matches.  As a reminder, `changeword'
   is not recommended for production use, and will likely not be present
   in the next major version release.

 * On non-Unix platforms where binary files differ from text, loading a
   frozen file (which should be cross-platform compatible) now correctly
   uses binary mode.

 * Several documentation improvements to the manual.

 * Update to comply with newer C standards, and inherit portability
   improvements from gnulib.
-- 
Ticket URL: <https://wiki.linuxfromscratch.org/lfs/ticket/5722#comment:2>
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