GitLab

* character.h (sanitize_width): New inline function.
(SANE_TAB_WIDTH): New macro.
(ASCII_CHAR_WIDTH): Use it.
* indent.c (sane_tab_width): Remove.  All uses replaced by
SANE_TAB_WIDTH (current_buffer).
* xdisp.c (init_iterator): Use SANE_TAB_WIDTH.