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 🦮