--- a/src/Pure/Isar/isar_thy.ML Tue Aug 24 11:50:17 1999 +0200
+++ b/src/Pure/Isar/isar_thy.ML Tue Aug 24 11:50:34 1999 +0200
@@ -160,7 +160,7 @@
(* formal comments *)
-fun add_text comment thy = thy;
+fun add_text comment thy = thy:theory;
fun add_title title author date thy = thy;
val add_chapter = add_text;
val add_section = add_text;
@@ -168,9 +168,9 @@
val add_subsubsection = add_text;
fun add_txt comment = ProofHistory.apply Proof.assert_forward;
-val add_sect = add_text;
-val add_subsect = add_text;
-val add_subsubsect = add_text;
+val add_sect = add_txt;
+val add_subsect = add_txt;
+val add_subsubsect = add_txt;
(* signature and syntax *)