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I have had a problem with undoing lately, which seems rather dangerous and has almost lost me work. At first I thought it was due to undo-tree, so I deactivated that. But it persists and now I suspect yasnippet. I just got the following when trying to redo. (Work would have been lost if I hadn't already saved.)

apply: Wrong number of arguments: #[(snippet) "ÂH  > [snippet
cl-struct-yas--snippet-tags 0 signal wrong-type-argument yas--snippet 2
yas--commit-snippet] 4 ("/home/toothrot/.emacs.d/elpa/yasnippet-20180111.1533/yasnippet.elc" .
175423)], 3

Sorry I haven't had time to investigate this very thoroughly, but perhaps someone has had the same problem.

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  • 1
    I can reproduce it with the latest yasnippet, seems to be a bug indeed.
    – npostavs
    Commented Jan 21, 2018 at 14:04

1 Answer 1

Reset to default
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This is a bug in yasnippet, introduced on Jan 1st (not present in any stable release). See https://github.com/joaotavora/yasnippet/pull/893 for a fix, merged on Jan 22nd. The bug can be avoided by disabling the option yas-snippet-revival.

(setq yas-snippet-revival nil)
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