Re: [BABEL] html export for R not working, but for sh and others

[Rainer M Krug <r.m.krug@gmail.com>]

Hi Eric

On Saturday, July 3, 2010, Eric Schulte <schulte.eric@gmail.com> wrote:
> Hi Rainer,
>
> My guess would be that the `htmlize-buffer' command which is used to
> fontify code in html export is choking because the elisp below is
> defining new fonts for R code.  If htmlize-buffer can't find the
> definitions for these fonts then it will throw an error.
>
> I'm not sure what the solution would be, but I'm pretty sure that's the
> source of the problem.

If I find Time,I'll look into it and contact the original author.

For the time being,i'll disable that Code Section.

Thanks,

Rainer
>
> Best -- Eric
>
> Rainer M Krug <r.m.krug@gmail.com> writes:
>
>> Hi Eric
>>
>> I traced the problem to the following section in my emacs.org file:
>>
>> * Syntax highlighting for functions in R
>>   based on https://mail.google.com/mail/#label/Lists%2FESS/125131ed24688970
>>   The following code needs to be run in R:
>>
>>   obj <- do.call("c", sapply(c("package:base", "package:stats",
>>   "package:utils"), objects, all.names=TRUE))
>>   re <- "(^[^.[:alpha:][:digit:]]|<-|__)"  # to remove "weird" functions
>>   obj <- obj[-grep(re, obj)]
>>   fpath <- file.path(Sys.getenv("HOME"), ".emacs.d", "R-function-names.txt")
>>   write.table(obj, fpath, quote=FALSE, row.names=FALSE, col.names=FALSE)
>>
>>   Read a whole file into list of lines
>>   Author: Xah Lee
>>   see http://xahlee.org/emacs/elisp_process_lines.html
>> #+begin_src emacs-lisp
>>   (defun read-lines (file)
>>   "Return a list of lines in FILE."
>>   (with-temp-buffer
>>   (insert-file-contents file)
>>   (split-string
>>   (buffer-string) "\n" t)
>>   )
>>   )
>>
>>   (add-hook 'ess-mode-hook
>>   '(lambda()
>>   (setq ess-my-extra-R-function-keywords
>>   (read-lines "~/.emacs.d/R-function-names.txt"))
>>   (setq ess-R-mode-font-lock-keywords
>>   (append ess-R-mode-font-lock-keywords
>>   (list (cons (concat "\\<" (regexp-opt
>>   ess-my-extra-R-function-keywords 'enc-paren) "\\>")
>>   'font-lock-function-name-face))))))
>>
>> If I disable that section, it works. Do you have any ideas if it could be
>> changes? I don't know anything about emacs-lisp.
>>
>> Thanks,
>>
>> Rainer
>>
>> On Fri, Jul 2, 2010 at 9:44 AM, Rainer M Krug <r.m.krug@gmail.com> wrote:
>>
>>>
>>>
>>> On Thu, Jul 1, 2010 at 5:55 PM, Eric Schulte <schulte.eric@gmail.com>wrote:
>>>
>>>> Hi Rainer,
>>>>
>>>
>>> Hi Eric,
>>>
>>>
>>>>
>>>> Rainer M Krug <r.m.krug@gmail.com> writes:
>>>>
>>>> > Hi
>>>> >
>>>> > I am trying to export the attached test.org file to HTML, but I can
>>>> only
>>>> > export it, when I change the source block language to anything different
>>>> > from R.
>>>> >
>>>> > I also attach my emacs.org file, but I am not doing any customisations
>>>> to R.
>>>> >
>>>>
>>>> I've just started up a minimal Emacs instance and loaded the babel
>>>> portion of your attached config, but I am able to export your attached
>>>> org file w/o error.  A couple of questions.
>>>>
>>>> 1) are you able to export to latex?  If so, then maybe the issue has to
>>>>   do with fontification of R code by htmlize-buffer
>>>>
>>>
>>> Yes - export to latex (and from there to pdf) are working.
>>>
>>>>
>>>> 2) could you send in the actual error being reported by Emacs, or a
>>>>   stack trace?
>>>>
>>> These are the messages in emacs:
>>>
>>> Select command:
>>> Exporting...
>>> org-babel-exp processing...
>>> Fontifying  *temp*... (regexps.............)
>>> org-babel-exp processing...
>>> font-lock-fontify-keywords-region: Invalid regexp: "Regular expression too
>>> big"
>>>
>>> How can I get a stack trace?
>>>
>>> One more thing: if I start emacs with

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