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@@ -9,6 +9,13 @@ GNU M4 NEWS - User visible changes.
`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.
+
* Noteworthy changes in release 1.4.19 (2021-05-28) [stable]
** A number of portability improvements inherited from gnulib, including