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authorDavid Aspinall2011-05-27 11:56:16 +0000
committerDavid Aspinall2011-05-27 11:56:16 +0000
commit22295d5e6520cfd025feebb4b000fde2c41fadd4 (patch)
treee495060a60e401e8c084755ba62da8ad6d25d4a1 /generic
parent94189d162954ffd921a40ade8eb16a795c7f48be (diff)
ensure (integerp proof-segment-up-to-cache-end), fixes Trac #404
Diffstat (limited to 'generic')
-rw-r--r--generic/proof-script.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/proof-script.el b/generic/proof-script.el
index 020f4439..9e4562c4 100644
--- a/generic/proof-script.el
+++ b/generic/proof-script.el
@@ -2674,7 +2674,7 @@ Stores recent results of `proof-segment-up-to' in reverse order.")
(let ((semis (proof-segment-up-to pos args)))
(setq proof-segment-up-to-cache (reverse semis))
(setq proof-segment-up-to-cache-start (proof-queue-or-locked-end))
- (setq proof-segment-up-to-cache-end (if semis (nth 2 (car semis))))
+ (setq proof-segment-up-to-cache-end (if semis (nth 2 (car semis)) 0))
(when proof-last-edited-low-watermark
(if (<= proof-last-edited-low-watermark
proof-segment-up-to-cache-end)