diff -r 6a13fe0fc19e -r b29757cf1e9d test/harness/testcase.h
--- a/test/harness/testcase.h	Mon Jan 30 00:36:31 2012 +0000
+++ b/test/harness/testcase.h	Sun Sep 08 08:55:01 2013 +0100
@@ -10,10 +10,35 @@
 } TestcaseError;
 
 typedef struct {
+    guint line;
+    guint column;		/* or 0 for unspecified */
+} TestcaseLocation;
+
+typedef struct {
+    /*
+     * Does this warning relate to a real problem in the etext
+     * (eg., error and false-negative).
+     */
+    gboolean is_real;
+    /*
+     * Do we "expect" BOOKLOUPE to get this wrong
+     * (eg., false-negative and false-positive)
+     */
+    gboolean xfail;
+    /*
+     * For real problems, the first location should be the
+     * actual location of the problem.
+     */
+    GSList *locations;
+    char *text;
+} TestcaseWarning;
+
+typedef struct {
     char *basename;
     char *tmpdir;
     GSList *inputs;
     char *expected;
+    GSList *warnings;
     char *encoding;	/* The character encoding to talk to BOOKLOUPE in */
     char **options;
     enum {