Some simple patches that allow synthetic fonts to be rendered. *However*: although the FontMatrix is read correctly, it does _not_ seem to be used! I don't understand this...

src/type1z/z1load.c

@@ -1072,6 +1072,10 @@
     FT_Fixed    temp[4];
 
 
+    if ( matrix->xx || matrix->yx )
+      /*  with synthetic fonts, it's possible we get here twice  */
+      return;
+
     (void)Z1_ToFixedArray( parser, 4, temp, 3 );
     matrix->xx = temp[0];
     matrix->yx = temp[1];
@@ -1326,6 +1330,10 @@
     FT_Int      n;
 
 
+    if ( loader->num_glyphs )
+      /*  with synthetic fonts, it's possible we get here twice  */
+      return;
+
     loader->num_glyphs = Z1_ToInt( parser );
     if ( parser->error )
       return;

src/type1z/z1parse.c

@@ -868,6 +868,10 @@
           FT_Memory  memory = parser->memory;
           FT_UInt    len    = limit-cur;
 
+          if ( *(FT_String**)q )
+            /*  with synthetic fonts, it's possible to find a field twice  */
+            break;
+
           if ( ALLOC( string, len + 1 ) )
             goto Exit;