Re: [patch] ox-latex.el: fix blank lines behavior in verse block

[Ihor Radchenko <yantar92@posteo.net>]

Juan Manuel Macías <maciaschain@posteo.net> writes:

>>> +		    (concat "\\("
>>> +			    (regexp-quote org-latex-line-break-safe)
>>> +			    "\n\\)"
>>> +			    "\\(^[ \t]*"
>>> +			    (regexp-quote org-latex-line-break-safe)
>>> +			    "\n"
>>> +			    "\\)+")
>>> +		  (concat "^[ \t]*" (regexp-quote org-latex-line-break-safe) "$"))
>>
>> May also use rx for better readability.
>
> I remember that I tried rx a while ago and found it very useful and
> comfortable, but then I haven't done anything with it. The fact is that
> over time I have ended up getting used to suffering from the classic
> regexp and it is hard for me to get out of there :-). Of course, with rx
> it would be clearer but I would have to refresh my memory.

You can refer to [[info:elisp#Rx Constructs][elisp#Rx Constructs]]
I think your regexp in rx should look like

(rx-to-string `(seq (group ,org-latex-line-break-safe "\n")
                    (1+ (group line-start (0+ space) ,org-latex-line-break "\n"))))

-- 
Ihor Radchenko // yantar92,
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