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to avoid redefining struct timeval and struct timezone.

image's :ascent to 80.  That gives a mode-line which is approx.
as tall as the normal one.

`append'.

toggle-truncate-lines.

Instead, fix the position of the `bound' arg to re-search-backward.

visible.

r_alloc, r_alloc_free.

Widen more carefully, to avoid finding pointers in other nodes.
(Info-index): Use push.

with non-zero FORCE_P argument.

frame-update-faces.
(set-foreground-color, set-background-color): Likewise for
frame-update-face-colors.

frame-update-faces, which is a no-op now.

Add assertions.

tool-bar than is available.
(x_change_window_heights): Renamed from x_set_menu_bar_lines_1.

tool-bar-lines.