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authorGravatar Makarius Wenzel <makarius@sketis.net>2002-02-12 18:24:29 +0000
committerGravatar Makarius Wenzel <makarius@sketis.net>2002-02-12 18:24:29 +0000
commite50d2fc11b2ec1c6e6d3bed4bdbf99aea092cbff (patch)
treee74b36afa766858a36f357f6ba3b3fb121736c98 /isar
parentf862f8902b13d73e3a479340b51e9bc31925ebbc (diff)
added isar-undo-ignore-regexp;
Diffstat (limited to 'isar')
-rw-r--r--isar/isar-syntax.el3
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))