Re: [O] Issues w/ hacking Org font-lock for variable pitch prose

[Nicolas Goaziou]

Hello,

Göktuğ Kayaalp <address@hidden> writes:

> /I’ll first explain the situation and append the code to the message./
> Go to code: [ M-x re-search-forward RET ^CODE RET ]
>
> I read  in Org  mode a  lot, and  I dislike  reading prose  in monospace
> fonts.  So  I have  turned on ‘variable-pitch-mode’  for Org  mode.  But
> because some stuff has to stay in  stoichedon, so I set some faces to be
> monospace:
>
> I have also add a keyword to font-lock keywords as part of the Org hook,
> so that I can  have a face attached to initial  whitespace and lists (-,
> and 1., 2. etc).  I set this face  to monospace too, so that I have nice
> aligned left line, while the actual prose stays in variable pitch.
>
> I just  updated today, from  the default Org mode  of Emacs 24.5  to the
> latest release (8.3.2, from git).
>
> The problems are as follows:
>
> 1. My code is buggy, and I can’t understand why.  With previous Org some
> font-lock actions were happening only after I  hit enter at the end of a
> line,  and if  I  have less  than  3 newlines  at the  end  of the  file
> sometimes font-locking  of headings  didn’t work.   For example,  if I’m
> writing a  paragraph, I write  it in a single  physical line, and  I use
> word  wrapping.   If  that  paragraph happended  to  contain  an  inline
> footnote, which I  use very often, that note is  not highlighted until I
> insert a line-feed.
>
> And with the new version, while  the problem persists, when I hit enter,
> thus inserting  a newline  at the  end of  a line,  Emacs hangs  up, and
> sometimes I see this error:
>
> org-element--current-element: Wrong type argument: integer-or-marker-p, nil
> ;; See end of message for the backtrace…
> ;; [ M-x re-search-forward RET ^BACK RET ]

Your code is probably not buggy. You are encountering a cache error.
Does it happen on a fresh buffer (e.g., open a new buffer, and copy
contents there, then let your code apply appropriate fontification)?

Regards,

-- 
Nicolas Goaziou