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Eli Zaretskii authored
src/dispextern.h (struct bidi_it): New member disp_prop_p. src/xdisp.c: Remove one-slot cache of display string positions. (compute_display_string_pos): Accept an additional argument DISP_PROP_P; callers changed. Scan at most 5K characters forward for a display string or property. If found, set DISP_PROP_P non-zero. src/bidi.c (bidi_fetch_char): Accept an additional argument DISP_PROP_P, and pass it to compute_display_string_pos. Only handle text covered by a display string if DISP_PROP_P is returned non-zero. All callers of bidi_fetch_char changed.
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