diff options
| -rw-r--r-- | isar/isar-syntax.el | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/isar/isar-syntax.el b/isar/isar-syntax.el index 083d06ee..7325f709 100644 --- a/isar/isar-syntax.el +++ b/isar/isar-syntax.el @@ -335,6 +335,9 @@ (defconst isar-undo-skip-regexp (proof-anchor-regexp (proof-regexp-alt (isar-ids-to-regexp isar-keywords-diag) ";"))) +(defconst isar-undo-ignore-regexp + (proof-anchor-regexp "--")) + (defconst isar-undo-remove-regexp (concat (proof-anchor-regexp (isar-ids-to-regexp isar-keywords-theory-begin)) |