Add note

dd22a8f7 · Behdad Esfahbod · 0375bdd2 · dd22a8f7
显示空白变更内容
内联并排

Showing with 1 addition and 0 deletion

src/hb-ot-layout-gsub-private.hh src/hb-ot-layout-gsub-private.hh +1 -0

未找到文件。
--- a/src/hb-ot-layout-gsub-private.hh
+++ b/src/hb-ot-layout-gsub-private.hh
@@ -286,6 +286,7 @@ struct AlternateSubstFormat1
    if (unlikely (!alt_set.len))
      return false;

+    /* Note: This breaks badly if two features enabled this lookup together. */
    unsigned int shift = _hb_ctz (lookup_mask);
    unsigned int alt_index = ((lookup_mask & glyph_mask) >> shift);