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CODING_EOL_LF, which used an uninitialized value of c.

maintainer, keywords tags.

sole visible buffer when we're currently in the mini-buffer, and
give up if so.

screen supports it.

not defined in mman.h.

unibyte string correctly.

(x_scroll_bar_remove, XTset_vertical_scroll_bar): Call
SCROLL_BAR_X_WIDGET with addtional argument DPY.

clear current matrices.

if mapping new memory at the end of the existing region fails.

when the last current glyph overlaps the glyph to its right.

lines that *end* with "..." too (that's the most common case!).

mini-window's buffer if necessary.