[HarfBuzz] shaping for Buhid script

[Jonathan Kew]

Hi Behdad,

AFAICS, there's no need for Buhid to go through the Indic shaper; it has a couple of non-spacing marks, but nothing requiring Indic-style reordering or special Indic features. Accordingly, I'd suggest removing it from the list of scripts that are categorized as needing hb_ot_complex_shaper_indic.

diff --git a/src/hb-ot-shape-complex-private.hh b/src/hb-ot-shape-complex-private.hh
index 8b775fb..652d90a 100644
--- a/src/hb-ot-shape-complex-private.hh
+++ b/src/hb-ot-shape-complex-private.hh
@@ -88,6 +88,7 @@ hb_ot_shape_complex_categorize (const hb_segment_properties_t *props)
     /* Simple? */
     case HB_SCRIPT_BATAK:
     case HB_SCRIPT_BRAHMI:
+    case HB_SCRIPT_BUHID:
     case HB_SCRIPT_HANUNOO:
     case HB_SCRIPT_MEETEI_MAYEK:
     case HB_SCRIPT_SAURASHTRA:
@@ -112,7 +113,6 @@ hb_ot_shape_complex_categorize (const hb_segment_properties_t *props)
     case HB_SCRIPT_BALINESE:
     case HB_SCRIPT_BENGALI:
     case HB_SCRIPT_BUGINESE:
-    case HB_SCRIPT_BUHID:
     case HB_SCRIPT_CHAM:
     case HB_SCRIPT_DEVANAGARI:
     case HB_SCRIPT_GUJARATI:

JK