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-rw-r--r--isa/isabelle-system.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/isa/isabelle-system.el b/isa/isabelle-system.el
index 58b09636..380b0d9d 100644
--- a/isa/isabelle-system.el
+++ b/isa/isabelle-system.el
@@ -235,7 +235,7 @@ passed to isa-tool-doc-command, DOCNAME will be viewed."
(function (lambda (docdes)
(if (proof-string-match "^[ \t]+\\(\\S-+\\)[ \t]+" docdes)
(list (list
- (substring docdes (match-beginning 0) (match-end 1))
+ (substring docdes (match-beginning 1) (match-end 1))
(substring docdes (match-end 0)))))))
(split-string docs "\n"))))))