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of a non-zero value can't yield zero.

doesn't give range errors.

(gnus-article-followup-with-original): When `transient-mark-mode' is
off, refrain from active-region behavior for followups.

`(pop argv)' inside of --eval command sequences.  Allows for
passing shell commands into Emacs verbatim without need for Lisp
quoting.

check only for changed size.
(auto-revert-tail-handler): Get size from caller.  If the file has
shrunk, tail the whole file again (the file presumably has been
rewritten).

fallout from 2007-09-07 introduction of `dolist' when the list
actually was being manipulated in the loop.
(woman-Cyg-to-Win, woman-pre-process-region)
(woman-horizontal-escapes, woman-if-body, woman-unescape)
(woman-strings, woman-special-characters, woman1-hc)
(woman-change-fonts, woman-find-next-control-line): Use
`match-beginning' rather than `match-string' when the result is
just used as a flag.

* net/tramp.el:
* net/tramp-fish.el:
* net/tramp-smb.el:
* net/tramp-uu.el:
* net/trampver.el: Move compatibility code to tramp-compat.el.
Apply `mapc' instead of `mapcar' when the code needs side effects
only.  Move utf-8 coding cookie to the second line.

(icon-map-list): Make it customizable.  Document how to disable stock icons.

(tty_write_glyphs_with_face): Only define is HAVE_GPM.

Lisp elements such as tags.
(XHASH): New macro.
(EQ): Use it.
(SREF, SSET, STRING_COPYIN): Use SDATA.
(VOID_TO_LISP, CVOID_TO_LISP, LISP_TO_VOID, LISP_TO_CVOID): Remove.

(allocate_vectorlike): Remove type argument.  Adjust callers.
(live_vector_p, mark_maybe_pointer, valid_lisp_object_p):
Only handle the one remaining MEM_TYPE_VECTORLIKE.
(mark_terminal): Remove left-over declaration.

to avoid unnecessary BLOCK_INPUTs when SYNC_INPUT is used.
(xmalloc, xrealloc, xfree, lisp_malloc, lisp_free, lisp_align_malloc)
(lisp_align_free, make_interval, allocate_vectorlike, allocate_string_data)
(make_float, Fcons, allocate_string, Fmake_symbol, allocate_misc): Use them.

Don't let signal handlers run when a GC is freed but not yet NULL'ed.
(x_free_gc): Remove BLOCK_INPUT since it's now redundant.

loaded by default.

(t-mouse-mode): New compatibility alias.

(Fgpm_mouse_stop): Only deactivate if it was activated on this tty.

(handle_one_term_event): Use Gpm_DrawPointer.
(Fgpm_mouse_start): Rename from Fterm_open_connection.
Signal errors instead of returning nil.  Always return nil.
(Fgpm_mouse_stop): Rename from Fterm_close_connection.
Make it a noop if gpm-mouse was not activated.
(syms_of_term): Update names.

is non-nil.

Highlight as keyword.
(tramp-rfn-eshadow-setup-minibuffer)
(tramp-rfn-eshadow-update-overlay, tramp-handle-set-file-times)
(tramp-set-file-uid-gid, tramp-do-copy-or-rename-file-via-buffer)
(tramp-do-copy-or-rename-file-directly)
(tramp-do-copy-or-rename-file-out-of-band)
(tramp-handle-shell-command, tramp-get-debug-buffer)
(tramp-send-command-and-read, tramp-equal-remote)
(tramp-get-local-gid): Pacify byte-compiler.
(tramp-handle-file-name-directory): Result shall not be expanded.
(tramp-find-foreign-file-name-handler): Rewrite.
(tramp-dissect-file-name): Add optional parameter NODEFAULT.

* net/tramp-cache.el (tramp-cache-print): Pacify byte-compiler.

* net/tramp-fish.el (tramp-fish-handle-expand-file-name): Apply
`tramp-completion-mode-p'.
(tramp-fish-handle-set-file-times)
(tramp-fish-handle-executable-find)
(tramp-fish-handle-process-file, tramp-fish-get-file-entries)
(tramp-fish-retrieve-data): Pacify byte-compiler.

* net/tramp-gw.el (tramp-gw-basic-authentication): Call
`tramp-read-passwd' with first parameter `nil'.

\

customizable variables.
(tex-suscript-height): New function.
(superscript, subscript): Set height using tex-suscript-height
rather than fixing at 0.8.

(init_sys_modes): Check that gpm_tty is the current tty.

Initialize those to nil.
(mark_object): Don't treat terminals specially.
(mark_terminal): Remove.
(mark_terminals): Use mark_object instead.

the GC to the beginning.