GNU M4 Changelog

What's new in GNU M4 1.4.15

• Clean up compiler warnings.
• src/builtin.c (m4_patsubst): Drop dead store.
• src/eval.c (unary_term): Likewise.
• src/input.c (match_input): Likewise. Also drop useless casts to
• void.
• src/symtab.c (symtab_debug): Drop useless casts.
• Test previous commit.
• doc/m4.texinfo (Format): Add a test.
• NEWS: Document the fix.
• THANKS: Update.