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From: "T.V Raman" <raman@google.com>
To: manikulin@gmail.com
Cc: raman@google.com, emacs-orgmode@gnu.org
Subject: Re: Org mode export accessibility
Date: Fri, 30 Sep 2022 09:55:12 -0700	[thread overview]
Message-ID: <25399.8048.750062.107829@retriever.mtv.corp.google.com> (raw)
In-Reply-To: <e15c6380-a3c4-80ac-a8ef-93d3e84dd4d7@gmail.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  🦮


  reply	other threads:[~2022-09-30 17:15 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-23 14:30 About 'inline special blocks' Juan Manuel Macías
2022-05-23 15:20 ` Kaushal Modi
2022-05-23 21:06   ` Juan Manuel Macías
2022-05-24  2:36     ` Tim Cross
2022-05-24  2:51       ` Timothy
2022-05-24  6:54         ` Eric S Fraga
2022-05-26  7:30           ` Christian Moe
2022-05-24 15:09         ` Max Nikulin
2022-05-25  7:22           ` Ihor Radchenko
2022-05-25 17:05             ` Max Nikulin
2022-05-26  2:54               ` Merging paragraphs separated by comment lines during export (was: About 'inline special blocks') Ihor Radchenko
2022-05-24  3:56       ` About 'inline special blocks' Ihor Radchenko
2022-05-24 14:05         ` João Pedro
2022-05-26  4:56           ` Ihor Radchenko
2022-05-26 11:30             ` João Pedro
2022-05-26 12:20               ` Ihor Radchenko
2022-05-26 17:35                 ` João Pedro
2022-05-26 21:22                   ` About opening issues vs email [Was: About 'inline special blocks'] Kaushal Modi
2022-05-27  4:24                     ` Ihor Radchenko
2022-05-27  4:36                     ` João Pedro
2022-05-25 13:55         ` About 'inline special blocks' Juan Manuel Macías
2022-06-17  6:28         ` Ihor Radchenko
2022-06-17 19:49           ` Juan Manuel Macías
2022-06-19 12:47   ` Juan Manuel Macías
2022-06-19 19:30     ` Christian Moe
2022-06-19 20:15       ` Juan Manuel Macías
2022-06-19 22:18     ` Tim Cross
2022-06-20 16:57     ` Max Nikulin
2022-06-20 19:06       ` Juan Manuel Macías
2022-06-21 16:39         ` Max Nikulin
2022-06-21 18:19           ` Juan Manuel Macías
2022-06-20 22:46       ` Tim Cross
2022-06-26  4:07         ` Org mode export accessibility (was: About 'inline special blocks') Ihor Radchenko
2022-06-26  6:29           ` Tim Cross
2022-06-26 10:46             ` Org mode export accessibility Juan Manuel Macías
2022-06-26 10:54               ` Ihor Radchenko
2022-06-27 14:40                 ` T.V Raman
2022-06-30  7:53                   ` Ihor Radchenko
2022-07-07 14:18                     ` briangpowell
2022-07-07 14:42                       ` T.V Raman
2022-07-08  4:38                         ` Ihor Radchenko
2022-07-08 13:55                           ` T.V Raman
2022-07-09  3:39                             ` Ihor Radchenko
2022-07-09 13:20                               ` T.V Raman
2022-09-30 11:07                         ` Max Nikulin
2022-09-30 13:29                           ` T.V Raman
2022-09-30 16:43                             ` Max Nikulin
2022-09-30 16:55                               ` T.V Raman [this message]
2022-10-01  4:36                             ` Ihor Radchenko
2022-10-01 14:59                               ` T.V Raman
2022-10-02  2:54                               ` Org source in PDF (Re: Org mode export accessibility) Max Nikulin
2022-10-02  3:50                                 ` Timothy
2022-07-07 14:43                       ` Org mode export accessibility T.V Raman
2022-07-07 15:37                       ` T.V Raman
2022-07-08  4:33                       ` Ihor Radchenko
2022-07-08 13:54                         ` T.V Raman

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