[Emacs-diffs] harfbuzz 68e675d 5/7: Set cluster level to one

[Khaled Hosny]

branch: harfbuzz
commit 68e675d5cfb3d5b1dcf6b82691663a0f4c157a3a
Author: Khaled Hosny <address@hidden>
Commit: Khaled Hosny <address@hidden>

    Set cluster level to one
    
    Makes to possible to edit combining marks separately as now they get a
    different cluster value from the base glyph.
---
 src/ftfont.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ftfont.c b/src/ftfont.c
index 0990e84..260f259 100644
--- a/src/ftfont.c
+++ b/src/ftfont.c
@@ -2717,6 +2717,7 @@ ftfont_shape_by_hb (Lisp_Object lgstring, FT_Face 
ft_face, hb_font_t *hb_font,
     goto done;
 
   hb_buffer_set_content_type (hb_buffer, HB_BUFFER_CONTENT_TYPE_UNICODE);
+  hb_buffer_set_cluster_level (hb_buffer, 
HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS);
 
   /* FIXME: guess_segment_properties is BAD BAD BAD.
    * we need to get these properties with the LGSTRING. */