diff --git a/src/Parser.c b/src/Parser.c
index f120578..fbb6851 100644
--- a/src/Parser.c
+++ b/src/Parser.c
@@ -343,3 +343,30 @@ ValidCommonID(char *str, char sigil)
     CommonIDFree(id);
     return ret;
 }
+char *
+ParserRecomposeCommonID(CommonID id)
+{
+    char *ret = Malloc(2);
+    ret[0] = id.sigil;
+    ret[1] = '\0';
+
+    if (id.local)
+    {
+        char *tmp = StrConcat(2, ret, id.local);
+        Free(ret);
+        ret = tmp;
+    }
+    if (id.server.hostname)
+    {
+        char *tmp = StrConcat(3, ret, ":", id.server.hostname);
+        Free(ret);
+        ret = tmp;
+    }
+    if (id.server.port)
+    {
+        char *tmp = StrConcat(3, ret, ":", id.server.port);
+        Free(ret);
+        ret = tmp;
+    }
+    return ret;
+}
diff --git a/src/include/Parser.h b/src/include/Parser.h
index fb9ede5..405caf1 100644
--- a/src/include/Parser.h
+++ b/src/include/Parser.h
@@ -68,5 +68,12 @@ extern int ValidCommonID(char *, char);
  */
 extern void CommonIDFree(CommonID id);
 
+/**
+ * Recompose a Common ID into a string which lives in the heap, and must 
+ * therefore be freed with 
+ * .Fn Free .
+ */
+extern char * ParserRecomposeCommonID(CommonID);
+
 
 #endif                             /* TELODENDRIA_PARSER_H */