doc: Mention another Haiku bug.

* doc/posix-functions/mbrtowc.texi: Mention a Haiku bug.

diff --git a/ChangeLog b/ChangeLog
index 03750495410d09ff25970400c3985c08356981ea..07ca1f38735efdf3852c35c05d106a64643764a8 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2026-01-17  Bruno Haible  <bruno@clisp.org>
+
+       doc: Mention another Haiku bug.
+       * doc/posix-functions/mbrtowc.texi: Mention a Haiku bug.
+
 2026-01-17  Bruno Haible  <bruno@clisp.org>
 
        c32is* tests: Avoid test failures on Haiku.

diff --git a/doc/posix-functions/mbrtowc.texi b/doc/posix-functions/mbrtowc.texi
index 241098ac21e04f886a17606e9a6011e1b3cb7f0c..9666c58d48de4a711f33947498ae686f74af9a6f 100644 (file)
--- a/doc/posix-functions/mbrtowc.texi
+++ b/doc/posix-functions/mbrtowc.texi
@@ -61,4 +61,8 @@ therefore cannot accommodate all Unicode characters.
 However, the ISO C11 function @code{mbrtoc32}, provided by Gnulib module
 @code{mbrtoc32}, operates on 32-bit wide characters and therefore does not have
 this limitation.
+@item
+This function does not work with a copied @code{mbstate_t} on some platforms:
+@c https://dev.haiku-os.org/ticket/19899
+Haiku.
 @end itemize