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-rw-r--r--isar/isar-syntax.el6
1 files changed, 0 insertions, 6 deletions
diff --git a/isar/isar-syntax.el b/isar/isar-syntax.el
index b70564c7..51fc72b4 100644
--- a/isar/isar-syntax.el
+++ b/isar/isar-syntax.el
@@ -452,12 +452,6 @@ matches contents of quotes for quoted identifiers.")
;; ----- variations on undo
(defconst isar-undo "ProofGeneral.undo;") ;; no output undo
-;(defconst isar-undo "undo;") ;; da: ordinary undo: seems more desirable to use this except
- ;; for many composed undos undo;undo;undo; we get output
- ;; every time which is a bit inefficient (although not that bad
- ;; because the print of the theory is short by default).
- ;; TODO for Isabelle2007: add
- ;; times argument to undo and supress intermediate output.
(defun isar-remove (name)
(concat "init_toplevel; kill_thy " name ";"))