block signals, if available. If HAVE_VFORK, save and restore
signal handlers that the child might change, since in many
systems (e.g. Solaris 2.4) if the child changes the signal
handlers this munges the parent's handler.
(sh-font-lock-keywords-1): Allow keyword `in' at eol too.
(sh-font-lock-keywords-only): New variable to prevent an apostrophe
in comment from misfontifying buffer, but to allow users who don't
have such to get strings fontified.
(sh-mode): Use it.
(gperf): Added keywords for Objective C and GNU macros.
(sym_type): Added values to account for Objective C and GNU macros.
(begtk): The '@' character can start a token.
(objdef, methodlen, objtag): New variables for Objective C.
(consider_token, C_entries): Added code for Objective C.
(plain_C_suffixes): Add .m and .lm for Objective C.
(Yacc_suffixes): Add .ym for Objective yacc.
(GROW_LINEBUFFER): New macro.
(consider_token, C_entries, Pascal_functions): Use the new macro.
(consider_token): Take one more argument. Caller changed.
(consider_token): Use the hashing function to spot GNU macros.
(C_entries): Consider // as a comment start even in plain C for
the sake of Objective C parsing.
(pfnote): Don't make a tag for ctags if there is no name.
(getit, Asm_labels, Perl_functions, Pascal_functions, L_getit,
get_scheme, prolog_getit): Name the tag in ctags mode.
(pfnote): Truncate ctags lines to 50 chars, like it worked once.
(Perl_interpreters): Accept "@PERL@" as an interpreter.
(suggest_asking_for_help): New function.
(main, get_language_from_name): Use suggest_asking_for_help.
(main): Let get_language_from_name make language existence check.
(streq, strneq): Check the arguments #if DEBUG.
(gnus-get-newsgroup-headers): Call it.
(gnus-get-newsgroup-headers-xover): Call it.
(gnus-group-mode-map): Moved `gnus-group-fetch-faq' from `M-f' to
`H f'.
(gnus-summary-copy-article): Allow respooling to any backend.
(gnus-summary-set-process-mark): Make sure each article can only
be process marked once.
(gnus-summary-remove-lines-marked-with): Put point on a valid
article after removing lines.
(gnus-summary-sort-by-author): Didn't allow sorting when
pseudo-articles were present.
(gnus-summary-sort-by-subject): Ditto.
