* src/sfnt/ttcmap.c: Fix for empty sub-headers in Dynalab fonts

ChangeLog

@@ -1,3 +1,11 @@
+2008-08-18  suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
+
+	* src/sfnt/ttcmap.c (tt_cmap2_validate): Skip the validation of
+	sub-header when its code_count is 0. Many Japanese Dynalab fonts
+	include such empty sub-header (code_count == 0, first_code == 0
+	delta == 0, but offset != 0 ) as the second sub-header in SJIS
+	cmap.
+
 2008-08-04  Werner Lemberg  <wl@gnu.org>
 
 	* src/type1/t1tokens.h: Handle `ForceBold' keyword.  This fixes

src/sfnt/ttcmap.c

@@ -328,6 +328,10 @@
       delta      = TT_NEXT_SHORT( p );
       offset     = TT_NEXT_USHORT( p );
 
+      /* many Dynalab fonts have empty sub-header */
+      if ( 0 == code_count )
+        continue;
+
       /* check range within 0..255 */
       if ( valid->level >= FT_VALIDATE_PARANOID )
       {