Index: src/libpcb_fp.c
===================================================================
--- src/libpcb_fp.c	(revision 857)
+++ src/libpcb_fp.c	(revision 858)
@@ -108,9 +108,14 @@
 		counter++;
 		e = htsp_getentry(pcb_fp_tags, (char *)tag);
 	}
-	return e;
+	return e->key;
 }
 
+const char *pcb_fp_tagname(const void *tagid)
+{
+	return (char *)tagid;
+}
+
 /* Decide about the type of a footprint file:
    - it is a file element if the first non-comment is "Element(" or "Element["
    - else it is a parametric element (footprint generator) if it contains 
Index: src/libpcb_fp.h
===================================================================
--- src/libpcb_fp.h	(revision 857)
+++ src/libpcb_fp.h	(revision 858)
@@ -42,4 +42,7 @@
 /* Resolve a tag name to an unique void * ID; create unknown tag if alloc != 0 */
 const void *pcb_fp_tag(const char *tag, int alloc);
 
+/* Resolve a tag ID to a tag name */
+const char *pcb_fp_tagname(const void *tagid);
+
 #endif