[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593
Bug 73593 depends on bug 134214, which changed state.

Bug 134214 Summary: Missing symbols on opensymbol font
https://bugs.documentfoundation.org/show_bug.cgi?id=134214

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |NOTOURBUG

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

dante19031...@gmail.com changed:

   What|Removed |Added

 CC||dante19031...@gmail.com
 Depends on||134214


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=134214
[Bug 134214] Missing symbols on opensymbol font
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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

--- Comment #15 from mirko.piero...@studenti.polito.it ---
Finally when I say that writing formulas is painful I mean that e.g. I need to
do "{bar{bold{h}}}^{ (k) }" in order to get what in Latex would simply be
"\bar{\boldsymbol{h}}^{(k)}"

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

--- Comment #14 from mirko.piero...@studenti.polito.it ---
I also copy here a comment from
https://bugs.documentfoundation.org/show_bug.cgi?id=96208:

It'd be nice if formulas were inserted at the current position of the cursor,
rather than at the center of the page (in LO Impress) and if the box containing
the formula was able to adaptively change its size according to the content, as
after a few characters it's impossible to see what is inside the box, and
trying to enlarge the box manually does not work.

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

--- Comment #13 from mirko.piero...@studenti.polito.it ---
Hello, I'd like to add a few points that require some thought in my opinion,
even if some of them are different issues than those outlined so far:
1) It'd be nice that formulas could start where one places the cursor on the
slide or document
2) Could making TexMaths native to LibreOffice a good idea? We might try to
contact and involve the developer who made the extension.
3) Formulas are very painful to write at the moment and it's difficult to
displace them to the right place (would be cool if they could be written "in
line" with the text). It's not currently possible to group formulas and text
into one single object.
4) bad rendering in some cases (e.g. "underline y") and no "mathcal" command
available
5) The transition between "normal" mode and "formula" mode and viceversa is
quite painful in terms of user experience.

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

--- Comment #12 from mirko.piero...@studenti.polito.it ---
Could anyone comment giving updates on the situation concerning this
enhancement? I'd be interested in allowing for LaTeX syntax too.

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

Xisco Faulí  changed:

   What|Removed |Added

 CC||n...@hollemail.de

--- Comment #11 from Xisco Faulí  ---
*** Bug 125274 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

--- Comment #10 from brian.bj.parke...@gmail.com ---
Just to clarify, what I am suggesting here is much simpler than what you are
describing- I am not suggesting using the tex engine for layout or allowing
full blown import of arbitrary latex files.

All I am suggesting is a minor extension of the StarMath syntax. StarMath
syntax *already* supports latex synonyms for superscript and subscript. If it
also supported e.g. \Lambda as a synonym for %LAMBDA, and \cdot as a synonym
for cdot etc, then the majority of latex formula examples could be cut and
pasted directly into Impress presentations.  
This could be done in an almost entirely backward compatible way, and would not
require *any* changes to the layout code, or any changes to the storage
formats- the changes would be localized to the starmath parser, and would be an
extension to the syntax and so would be backwardly compatible (except for
contrived examples). 

Also, it wouldn't need to include 100% of latex math notation- just covering
the common cases would allow the majority of published latex examples to be cut
and pasted.


(In reply to V Stuart Foote from comment #8)
> Indeed, my apologies. Bug 119449 would be better set a duplicate of bug
> 96208 -- done.
> 
> Issue in general with support Tex and LaTex syntax is that our "native"
> format to control node composition is StarMath--but our storage media is
> ODF. As ODF requires use of MathML, we strive to support MathML for import
> and export. We annotate the XML of each MathML ODF Formula object with its
> StarMath composition--and reparse that StarMath on reimport.
> 
> There is no specification for using TeX with ODF, so while we could probably
> filter import the LaTeX syntax formula entries and could also hold them as
> annotations--the same as the StarMath for reimport--we would never adopt TeX
> for canvas layout.  TeX is treated to PostScript.
> 
> Filter based import of LaTex, and expanding the GUI to support LaTex syntax
> entry is feasible. The first step for both is to ensure the MathML/StarMath
> can correctly describe the additional symbology when recorded to ODF XML.

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

--- Comment #9 from V Stuart Foote  ---
(In reply to V Stuart Foote from comment #8)
> for canvas layout.  TeX is treated to PostScript.

s/TeX is treated to PostScript./TeX is treated the same as PostScript./

That is no filter support for PS. Just filter based EPS import and export and
no native support.

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

V Stuart Foote  changed:

   What|Removed |Added

 CC||rb.hensc...@t-online.de
   See Also||https://bz.apache.org/ooo/s
   ||how_bug.cgi?id=2864
Version|4.1.3.2 release |Inherited From OOo

--- Comment #8 from V Stuart Foote  ---
Indeed, my apologies. Bug 119449 would be better set a duplicate of bug 96208
-- done.

Issue in general with support Tex and LaTex syntax is that our "native" format
to control node composition is StarMath--but our storage media is ODF. As ODF
requires use of MathML, we strive to support MathML for import and export. We
annotate the XML of each MathML ODF Formula object with its StarMath
composition--and reparse that StarMath on reimport.

There is no specification for using TeX with ODF, so while we could probably
filter import the LaTeX syntax formula entries and could also hold them as
annotations--the same as the StarMath for reimport--we would never adopt TeX
for canvas layout.  TeX is treated to PostScript.

Filter based import of LaTex, and expanding the GUI to support LaTex syntax
entry is feasible. The first step for both is to ensure the MathML/StarMath can
correctly describe the additional symbology when recorded to ODF XML.

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

--- Comment #7 from brian.bj.parke...@gmail.com ---
(In reply to V Stuart Foote from comment #6)
> *** Bug 119449 has been marked as a duplicate of this bug. ***

My bug report 119449 is marked as a duplicate but it differs in detail from the
issues discussed in this thread. In particular, it suggests extending the
*input language* to include Latex notation, and not simply to increase the
number of formula items available from the menu or toolbars.

For easy reference, I include the full text of bug report 119449 here:

The syntax used to enter math equations in LO formula is apparently based on
the largely obsolete troff eqn preprocessor. 
For example:
 x sup y sub z

Latex syntax is the standard format used to enter equations in modern
applications, including Microsoft Word, Apple Keynote, wikipedia, mathjax etc.
Surprisingly, LO syntax also allows some latex notation, for example:
x^y_z  
which gives the same superscript and subscript as the above example. 
However, most other latex constructs fail e.g. \Lambda  as the latex equivalent
of %LAMBDA.

As an enhancement request, the LO Formula editor math syntax should be expanded
to include all standard Latex forms (including AMS-Latex) as synonyms. I can't
see any fundamental ambiguities that would prevent this from being almost fully
backwards compatible.
This would allow published latex formulae to be cut and pasted directly in LO
presentations etc. and would increase compatibility with Microsoft Word and
Apple Keynote.


Actual Results:
For example \Lambda is not accepted in the formula editor.

Expected Results:
Expected the same result as %LAMBDA

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

V Stuart Foote  changed:

   What|Removed |Added

 CC||brian.bj.parke...@gmail.com

--- Comment #6 from V Stuart Foote  ---
*** Bug 119449 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

--- Comment #5 from Volga  ---
(In reply to Volga from comment #4)
> We can also create a comparison table of defined symbols between SM, MathML
> and LaTeX, everyone would get help.
This can be available at our Wiki.

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

--- Comment #4 from Volga  ---
We can also create a comparison table of defined symbols between SM, MathML and
LaTeX, everyone would get help.

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[Libreoffice-bugs] [Bug 73593] add more formula items to Elements pane, provide LibreOffice with more complete coverage of MathML and LaTex symbol definitions

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=73593

V Stuart Foote  changed:

   What|Removed |Added

 Blocks||103461, 39750
Summary|add more formula items to   |add more formula items to
   |toolbox |Elements pane, provide
   ||LibreOffice with more
   ||complete coverage of MathML
   ||and LaTex symbol
   ||definitions


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=39750
[Bug 39750] [META] General Math formula editor improvements
https://bugs.documentfoundation.org/show_bug.cgi?id=103461
[Bug 103461] [META] Elements pane/dock/window/sidebar in Math
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