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14bc3b1b83
doc/chew.c was compiled without any warning flags set. Adding the
common warnings for build showed various issues with non-static
functions missing prototypes and globals with common names (ptr and
idx) that shadowed local arguments or variables.
* doc/local.mk (doc/chew.stamp): Add WARN_CFLAGS_FOR_BUILD.
* Makefile.in: Regenerate.
* doc/chew.c (idx): Rename to pos_idx.
(ptr): Rename to buf_ptr.
(xmalloc): Make static.
(xrealloc): Likewise.
(xstrdup): Likewise.
(nextword): Likewise.
(newentry): Likewise.
(add_to_definition): Likewise.
(add_intrinsic): Likewise.
(compile): Likewise.
(icopy_past_newline): Rename idx to pos_idx, ptr to buf_ptr.
(get_stuff_in_command): Likewise.
(skip_past_newline): Likewise.
(perform): Likewise.
(main): Likewise.