Re: Re: [babel] problems with org-babel-src-block-regexp (full text)

From: "Eric Schulte" <schulte.eric@gmail.com>
To: maurizio.vitale@polymath-solutions.com
Cc: emacs-orgmode@gnu.org
Subject: Re: Re: [babel] problems with org-babel-src-block-regexp (full text)
Date: Mon, 22 Mar 2010 11:27:00 -0600	[thread overview]
Message-ID: <87tys8468r.fsf@gmail.com> (raw)
In-Reply-To: <87y6hyhj3m.fsf@cuma.i-did-not-set--mail-host-address--so-tickle-me> (Maurizio Vitale's message of "Thu, 11 Mar 2010 12:19:09 -0500")

Hi Maurizio,

Thanks for finding and demonstrating this bug.  It should now be fixed.

Best -- Eric

Maurizio Vitale
<mav@cuma.i-did-not-set--mail-host-address--so-tickle-me> writes:

> [sorry for the double posting, but the control char in the regexp
> prevented the full message from appearing. This is what I meant to send]
>
> There're problems with org-babel-src-block-regexp when the src block
> contains the block delimiters (for instance in strings or comments).
>
> Granted, this is an uncommon occurrence (which I discovered by accident)
> editing an org-file containing elisp code that needed to insert
> #+begin_src...#+end_src pairs, but if it is not too difficult to fix it
> would be nice to have a more useful behaviour.
>
> This is my setting (replaced 0x0 with ^@ to avoid posting problems):
> org-babel-src-block-regexp is a variable defined in `org-babel.el'.
> Its value is 
> "^[ 	]*#\\+begin_src[ 	]+\\(python\\|sh\\|emacs-lisp\\)[ 	]*\\([^\":\n]*\"[^\"\n*]*\"[^\":\n]*\\|[^\":\n]*\\)\\([^\n]*\\)\n\\([^^@]+?\\)#\\+end_src"
>
> And these are two test cases. I'm particularly puzzled by the first,
> because the regexp seems to be anchored to the begin of line and hence
> it shouldn't match the begin_src inside the string.
> For end_src, it should probably be anchored to the begin of line.
>
> #+begin_src emacs-lisp
> ;;; evaluating the following C-x C-e with the point at the end is ok
> (org-babel-where-is-src-block-head)
> (defun foo () (insert "#+begin_src emacs-lisp"))
> ;;; evaluating the following C-x C-e with the point at the end is not ok
> (org-babel-where-is-src-block-head)
> #+end_src
>
> #+begin_src emacs-lisp
> ;;; evaluating the following C-x C-e with the point at the end is ok
> (org-babel-where-is-src-block-head)
> (defun foo () (insert "#+end_src emacs-lisp"))
> ;;; evaluating the following C-x C-e with the point at the end is not ok
> (org-babel-where-is-src-block-head)
> #+end_src
>
> Best regards,
>
>      Maurizio 
>
>
>
>
>
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