Ihor Radchenko writes:
> I am not sure if it is an actual issue.
>
> Note that (_u can be interpreted as a subscript.
> Org prioritises subscript over underline.
>
> Looking at the code:
>
> (?_ (or (and (memq 'subscript restriction)
> (org-element-subscript-parser))
> (and (memq 'underline restriction)
> (org-element-underline-parser))))
>
> The priority appears to be intentional.
I see. But then the compatibility with the rest of the emphasis is
broken. I mean, the user would expect things like (_underline_) will be
exported as (\uline{underline}), in the same way that (/emphasis/) is
exported as (\emph{emphasis}). I would say there is a slight
inconsistency in the syntax here.
Anyway, in my case I have solved it by always forcing the
super/sub-scripts with brackets overriding `org-element-subscript-parser'
(I never use them without brackets), as I mentioned in my previous
message.
Best regards,
Juan Manuel