From: Jim Blandy <jimb@redhat.com>
Date: Mon, 10 May 1993 00:15:58 +0000 (+0000)
Subject: * dispextern.h (struct face): Add cached_index member.
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* dispextern.h (struct face): Add cached_index member.
	* xfaces.c (get_cached_face): Use it to avoid unnecessary
	searches of face_vector.
---

diff --git a/src/dispextern.h b/src/dispextern.h
index a89e73120c9..6efe29de8e7 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -29,6 +29,13 @@ struct face
     /* If this is non-zero, it is a GC we can use without modification
        to represent this face.  */
     GC gc;
+
+    /* If we have ever called get_cached_face on this face structure,
+       here is the index in face_vector of the face it returned.  It
+       might not be valid any more, but it's a good place to start
+       looking; get_cached_face tries to use this to avoid searching
+       all of face_vector.  */
+    int cached_index;
   
     /* Pixel value for foreground color.  */
     int foreground;