Re: Org mode export accessibility

["T.V Raman" <raman@google.com>]

correct; user-facing tools are still lacking but that shouldn't cause
us to wait since that creates a chicken-and-egg problem.

Max Nikulin writes:
 > On 30/09/2022 20:29, T.V Raman wrote:
 > > 
 > > 9. Note that this is not the end of the trail; for such exports to
 > >     make a difference to the end-user, user-facing tools still need to
 > >     know "how" to leverage these facilities.
 > 
 > Do you mean that there are no tools yet that may take advantage of math 
 > expressions embedded into PDF as LaTeX source markup? I am just trying 
 > to figure out current state of affairs. I suppose, it is unlikely that 
 > someone from Org mailing list subscribers is ready to invest significant 
 > amount of time into development of LaTeX packages. However if there were 
 > ready to use and safe packages improving accessibility then changing 
 > export templates would be more real goal.
 > 
 > In the meanwhile I have realized that \usepackage{mmap} has a little use 
 > in isolation. Fractions, indices, etc. are lost. Maybe some other 
 > packages should be loaded to provide more informative text equivalent 
 > for math.
 > 
 > Some details concerning what I have tried is below.
 > 
 > Original LaTeX expression:
 > 
 > Text \[ \int_{\alpha}^{\beta} \frac{dx}{x^2 + \varepsilon} \]
 > 
 > pdftotext -layout output for \usepackage{mmap}:
 > Text   \int     \beta
 >                             dx
 >             \alpha        x2 + \varepsilon
 > 
 > end of output
 > 
 > pdftotext output for \usepackage{cmap} and \usepackage[noTeX]{mmap}:
 > Text   ∫︁   𝛽
 >                    𝑑𝑥
 >          𝛼       𝑥2 + 𝜀
 > 
 > end of output
 > 
 > pdftotext output when neither cmap nor mmap is loaded:
 > Text   Z   β
 >                   dx
 >         α       x2 + ε
 > 
 > end of output
 > 
 > For this dumb example effect of mmap is hardly noticeable. Integral 
 > symbol is not replaced by "Z", but it is hard to guess sub- and 
 > superscripts and presence of the \frac command. Without "-layout" order 
 > of symbols is mostly preserved, but structure is lost
 > 
 > Text
 > ∫︁
 > 
 > 𝛽
 > 
 > 𝛼
 > 
 > 𝑑𝑥
 > 𝑥2 + 𝜀

-- 

Thanks,

--Raman(I Search, I Find, I Misplace, I Research)
♉ Id: kg:/m/0285kf1  🦮

--

Thanks,

--Raman(I Search, I Find, I Misplace, I Research)
♉ Id: kg:/m/0285kf1  🦮