Re: [AUCTeX] preview-buffer not working on OS X? (PDF2DSC sentinel: Wrong type argument: arrayp, nil)

[Hong Xu]

Ivan Andrus <address@hidden> writes:

> On Dec 9, 2014, at 1:22 AM, Hong Xu <address@hidden> wrote:
>> 
>> Hi all,
>> 
>> I got the following message when I run `C-c C-p C-b`:
>> 
>> Output written on _region_.pdf (114 pages, 184035 bytes).
>> Transcript written on _region_.log.
>> 
>> TeX Output exited as expected with code 1 at Tue Dec  9 00:10:58
>> Running `Preview-PDF2DSC' with ``pdf2dsc _region_.pdf
>> _region_.prv/tmp30254S6q/preview.dsc''
>> 
>> Preview-PDF2DSC finished at Tue Dec  9 00:10:58
>> PDF2DSC sentinel: Wrong type argument: arrayp, nil
>> 
>> 
>> M-x list-processes would give
>> 
>> Preview-Ghostscript run     *buffer/name --      
>> -dOutputFile=(_region_.prv/tmp30254S6q/pr1-%d.png) -q -dNOPAUSE 
>> -DNOPLATFONTS -dPrinted -dTextAlphaBits=4 -dGraphicsAlphaBits=4 
>> -sDEVICE=png16m -r110.557x110.613
>> 
>> Seems Preview-Ghostscript does not find rungs or gs, which I have installed. 
>> Don't know if this is a
>> bug.
>
> My guess is that your PATH isn’t set correctly inside Emacs.  This is quite 
> easy to have happen on OS X.  See, for example, the following Stack Overflow 
> question for all the nuances
>
> http://stackoverflow.com/questions/135688/setting-environment-variables-in-os-x
>
> -Ivan

Hi Ivan,

Thanks for your reply.

I checked the PATH environmental variable by running `M-x getenv`, it seems 
everything is there.

I should also mention that the inline preview breaks after I upgraded from 
AucTeX of a late October
version to the current version.

Hong

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