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[unsafe-to-break] Mark unsafe is cluster merging is disabled

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We were relying on cluster merges not requiring unsafe flagging because
they get merged.  If cluster level requests no merging, then we flag
unsafe when merge would have happened.
This commit is contained in:
Behdad Esfahbod 2017-08-11 18:24:27 -07:00
parent 39a9749430
commit ec104e5912
1 changed files with 3 additions and 0 deletions
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3
src/hb-buffer.cc
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@ -550,7 +550,10 @@ hb_buffer_t::merge_clusters_impl (unsigned int start,
unsigned int end)
{
if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS)
{
unsafe_to_break (start, end);
return;
}
unsigned int cluster = info[start].cluster;