bug#5102: 23.1; doc-view on a buffer not linked to a file

[Juri Linkov <juri@jurta.org>]

>>>> No, it cannot handle non-file buffers, because ghostscript and friends
>>>> only handle input files and don't support piping in the output.  So the
>>> It already has special code for Tramp and jka-compr files, where it
>>> saves the buffer's content to a temp file.
>>> Harven(?), does the patch below help?
>> Mails to Harven bounce back with the error:
>>   <harven@free.fr>: host mx1.free.fr said: 550 5.2.1 This mailbox
>>     has been blocked due to inactivity (in reply to RCPT TO command)
>> So I tried out your patch and it fails with:
>>   Debugger entered--Lisp error: (wrong-type-argument stringp nil)
>>     file-name-nondirectory(nil)
>>     doc-view-mode()
>>     doc-view-toggle-display()
>>     call-interactively(doc-view-toggle-display nil nil)
>> I don't understand how do you expect it to work.
>
> Witha bit more help.  I've installed the patch below which seems to work
> for me,

It works for me too.  I'm not sure if we have to wait Harven's
confirmation to close this bug because his mails unfortunately
bounce back.

-- 
Juri Linkov
http://www.jurta.org/emacs/