[ESS] what is font-lock-pre-idle-hook

[Jean Eid]

Hi Stephen,


On Thu, 16 Dec 2004, Stephen Eglen wrote:

> Dear Jean,
>
> You can help us help you in a couple of ways:
>
> first, what buffer are you in (an .R buffer, a buffer running an R
> process? or S, or Splus?) when you call M-x revert-buffer?  Is it any
> buffer of this sort, or just extra long buffers?


First Okay so I upgraded ess, no effect on the problem. The buffer is an
.R buffer.



> Second, to quote the ESS manual:
> ----------------------------------------------------------------------
>    If Emacs reports an error, backtraces can help us debug the problem.
> Type "M-x set-variable RET debug-on-error RET t RET".  Then run the
> command that causes the error and you should see a *Backtrace* buffer
> containing debug information; send us that buffer.
> ----------------------------------------------------------------------

There is no *Backtrace* buffer, I guess the reason been because xemacs
issues a warning rather than an error?


>
> A quick grep of our latest sources didn't show that
> font-lock-pre-idle-hook is called at all, but it may be something
> upstream.
>
> Third, can you try another version of Emacs  / XEmacs to confirm/deny
> if that helps/worsens the problem.

Emacs 21.3.1 does not have the problem. Same version of ESS


Hope this helps.....


Jean






>
> Thanks, Stephen
>
>
>
> Jean Eid writes:
>  > I have a problem Mx revert-buffer, I get the following message
>  > (warning/warning) Error caught in `font-lock-pre-idle-hook':
>  > (wrong-type-argument markerp nil)
>  >
>  > Although the buffer gets updated, it gives me the above message and the
>  > buffer won't be highlighted. In addition when I try to describe the
>  > variable, it says nothing was found to match the name: font-lock-pre-idle-hook
>  >
>  >
>  >
>  > Note that on a .tex buffer, I do not have any of the above problems. This
>  > is why I think this is a good place to post the message.
>  >
>  >
>  > I have the following system:
>  > Xemacs 21.4 patch 15
>  > ESS 5.1.21
>  >
>  > Thanks in advance
>  >
>  >
>  > Jean
>  >
>  > ______________________________________________
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>