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-rw-r--r--hol-light/pg_prompt.ml15
1 files changed, 15 insertions, 0 deletions
diff --git a/hol-light/pg_prompt.ml b/hol-light/pg_prompt.ml
index f52dc76e..a6342872 100644
--- a/hol-light/pg_prompt.ml
+++ b/hol-light/pg_prompt.ml
@@ -39,3 +39,18 @@ let original_prompt_fn = !Toploop.read_interactive_input in
original_prompt_fn prompt' buffer len);;
+(* ------------------------------------------------------------------------- *)
+(* Adjust error printing to markup error message *)
+(* ------------------------------------------------------------------------- *)
+
+(* FIXME: rebinding failwith has an odd effect on top level, triggering
+ new errors which were perhaps previously caught?*)
+
+(*
+let plain_failwith = failwith
+
+let failwith s = if (!pg_mode)
+ then plain_failwith ("<error>" ^ s ^ "</error>")
+ else plain_failwith s;;
+*)
+