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Eli Zaretskii authored
Region display and extension seems to work. Solved a crash in bidirectional display of etc/HELLO. (HELLO display still not 100% OK, e.g. near Kannada.) .gdbinit (pitx): Display some bidi information about the iterator. dispextern.h (BIDI_AT_BASE_LEVEL): Enclose definition in parentheses. xdisp.c (handle_stop_backwards): Save and restore it->current and it->position, instead of expecting the caller to do that. (next_element_from_buffer): When moving across stop_charpos, record it in prev_stop. When IT_CHARPOS backs up, call handle_stop_backwards only if above the base embedding level. This solves the crash while displaying etc/HELLO in bidi mode.
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