On Thursday, 24 January 2019 12:35:10 UTC, Bram Moolenaar wrote:
> Jon Crowe wrote:
>
> > Under certain circumstances (see below for steps to reproduce) a
> > session created by the :mksession command creates errors when
> > attempting to load the session.
> >
> > The circumstances are:
> >
> > There is a window with a split.
> > At least one of the buffers has a filename containing an apostrophe.
> >
> > The steps to reproduce are as follows:
> >
> > vim -N -u NONE
> > :w x'x
> > :split
> > :w xx
> > :mksession
> > :qa
> > vim -N -u NONE -S
> >
> > The errors are:
> >
> > "x'x" 0L, 0C
> > Error detected while processing /tmp/Session.vim:
> > line 159:
> > E116: Invalid arguments for function bufexists('x\'x') | buffer x\'x | else
> > | edit x\'x | endif
> > E15: Invalid expression: bufexists('x\'x') | buffer x\'x | else | edit x\'x
> > | endif
> > line 300:
> > E171: Missing :endif
> >
> > The offending line in the Session.vim file is:
> >
> > if bufexists('x\'x') | buffer x\'x | else | edit x\'x | endif
> >
> > If I manually edit this line as follows:
> >
> > if bufexists('x''x') | buffer x\'x | else | edit x\'x | endif
> >
> > the error disappears and the session loads without error and as expected.
> >
> > I realise this is an obscure and minor bug, but I hope it is of some use to
> > report it. Thank you if you have the time or inclination to look into it.
> > Also thank you if you don't, as I love Vim anyway.
> >
> > Other info that may be of use:
> >
> > VIM - Vi IMproved 8.1 (2018 May 18, compiled Jan 05 2019 20:53:12)
> > Included patches: 1-693
> >
> > Running on Debian testing.
> >
> > If there is any further information I have naively omitted that you
> > need, please let me know.
>
> I can reproduce it. The session escaping code only works for a double
> quoted string. I'll make a fix.
>
Thanks, much appreciated.
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