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Eli Zaretskii authored
src/bidi.c (bidi_find_first_overridden): New function. src/xdisp.c (Fbidi_find_overridden_directionality): New function. (syms_of_xdisp): Defsubr it. src/dispextern.h (bidi_find_first_overridden): Add prototype. doc/lispref/display.texi (Bidirectional Display): Document 'bidi-find-overridden-directionality'. etc/NEWS: Mention 'bidi-find-overridden-directionality'.
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