Merge from trunk.

1 files changed, 10 insertions, 5 deletions

diff --git a/src/bidi.c b/src/bidi.c
index 769a14f089b..433c2cea2dc 100644
--- a/src/bidi.c
+++ b/src/bidi.c
@@ -108,8 +108,12 @@ bidi_get_type (int ch, bidi_dir_t override)
     abort ();
 
   default_type = (bidi_type_t) XINT (CHAR_TABLE_REF (bidi_type_table, ch));
-  if (default_type == 0)
-    default_type = STRONG_L;
+  /* Every valid character code, even those that are unassigned by the
+     UCD, have some bidi-class property, according to
+     DerivedBidiClass.txt file.  Therefore, if we ever get UNKNOWN_BT
+     (= zero) code from CHAR_TABLE_REF, that's a bug.  */
+  if (default_type == UNKNOWN_BT)
+    abort ();
 
   if (override == NEUTRAL_DIR)
     return default_type;
@@ -142,11 +146,10 @@ bidi_get_type (int ch, bidi_dir_t override)
     }
 }
 
-static void
+static inline void
 bidi_check_type (bidi_type_t type)
 {
-  if (type < UNKNOWN_BT || type > NEUTRAL_ON)
-    abort ();
+  xassert (UNKNOWN_BT <= type && type <= NEUTRAL_ON);
 }
 
 /* Given a bidi TYPE of a character, return its category.  */
@@ -549,6 +552,8 @@ bidi_cache_iterator_state (struct bidi_it *bidi_it, int resolved)
       bidi_cache[idx].next_for_neutral = bidi_it->next_for_neutral;
       bidi_cache[idx].next_for_ws = bidi_it->next_for_ws;
       bidi_cache[idx].ignore_bn_limit = bidi_it->ignore_bn_limit;
+      bidi_cache[idx].disp_pos = bidi_it->disp_pos;
+      bidi_cache[idx].disp_prop_p = bidi_it->disp_prop_p;
     }
 
   bidi_cache_last_idx = idx;