Re: [O] Multiple underscores crash org latex export; other exporters survive

[Scott Randby]

On 12/06/2016 06:50 PM, Nicolas Goaziou wrote:
> Hello,
> 
> Scott Randby <address@hidden> writes:
> 
>> I don't think you can blame Org for the crashes you've experienced. Org
>> exports the string "a_variable_deleteThisAndItWorks" to
>> "a\(_{\text{variable}}_{\text{deleteThisAndItWorks}}\)" which is not a
>> valid LaTeX expression. This invalid output is not the fault of Org, it
>> is the fault of the input string. Since there are different ways of
>> interpreting "a_variable_deleteThisAndItWorks," you have to tell Org
>> which interpretation you want it to make when you export to LaTeX. This
>> means additional markup of the string is required.
>>
>> That the exported LaTeX file crashes your installation of pdfTeX (or
>> whatever TeX engine you use) when you process it is not the fault of
>> Org. The exported LaTeX file contains an invalid LaTeX expression that
>> came from a ambiguous string, so pdfTeX shows an error when processing
>> the LaTeX file. Using additional markup of the string so that Org
>> exports it as a valid LaTeX expression is the solution to the problem.
> 
> Even though the OP used an ambiguous string, I don't think Org should
> generate invalid LaTeX.
> 
> I fixed it in maint. Basically, a_b_c is translated as a\(_b\)\(_c\).

With this solution, "a" will be exported as text while "b" and "c" will
be exported as a single subsrcipt using the math font. I would prefer
that a_b_c be translated as \(a_{b_{c}}\).

Scott Randby

> 
> Regards,
>