Re: Conversion of underbrace (to and from Word)

[John MACFARLANE <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org>]

Great, I'm glad it's solved!

+++ Emma Cliffe [Jan 23 18 05:55 ]:
>   Dear John,
>   Just final confirmation after retesting: to get the transform to work
>   from mathML to Word I needed both pandoc 2.1.1 (so presumably the fix
>   you referred to) and the correct unicode symbol in the mathML.
>   Thanks again,
>   Emma
>   On Tuesday, 23 January 2018 11:06:04 UTC, Emma Cliffe wrote:
>
>   Dear John,
>   Okay, I think that I have solved the issue. The clue was in
>   [1]https://hackage.haskell.org/package/texmath-0.8.6.5/changelog where
>   it states "Fixed overbrace, underbrace (#82). Previously we were using
>   the wrong character: U+FE37 instead of U+23DE. This didn't work in
>   Word." If I switch the unicode character in the input mathML then the
>   conversion does then work correctly in a simple test.
>   The mathML does still render correctly so I guess I need to switch
>   unicode under and over braces.
>   Sorry for the confusion and thanks for your time.
>   Emma
>   On Tuesday, 23 January 2018 10:27:53 UTC, Emma Cliffe wrote:
>
>   Dear John,
>   Sorry, I should have tested more extensively. You are correct, this
>   does fix the LaTeX to Word conversion. However, we are actually
>   converting MathML to Word. When I originally reported it I got the same
>   incorrect result on conversion from LaTeX to Word and on conversion
>   from MathML to Word so I reported both at once as I assumed, obviously
>   incorrectly that the two issues had the same cause. I have now checked
>   everything and the situation is:
>   LaTeX to Word is now producing the correct output
>   MathML to Word is still producing incorrect output
>   The MathML is:
>   <math xmlns="[2]http://www.w3.org/1998/Math/MathML" display="block">
>     <mrow>
>       <munder>
>         <mrow>
>       <munder>
>         <mrow>
>           <mi>x</mi>
>           <mi>x</mi>
>           <mi>x</mi>
>           <mo>&#x2026;</mo>
>           <mi>x</mi>
>           <mi>x</mi>
>         </mrow>
>         <mo>&#xFE38;</mo>
>       </munder>
>         </mrow>
>         <mrow>
>       <mi>n</mi>
>         </mrow>
>       </munder>
>     </mrow>
>   </math>
>   The above renders correctly in Firefox (native rendering) and using
>   MathJax. I am pretty sure that this is the right MathML?
>   I attach a screenshot of what I get when I render the above and the
>   output of the transform to Word. I'll keep trying to work out what is
>   actually happening.
>   Many thanks for any insights,
>   Emma
>   On Monday, 22 January 2018 19:27:38 UTC, John MacFarlane wrote:
>
>     Here's what I get when I convert
>     $$
>     \underbrace{xxx\ldots xx}_n
>     $$
>     from markdown to docx (see attached screenshot).
>     That looks just right to me.  I wasn't sure how to
>     interpret your "linear format" strings, so I'm not
>     sure what you're seeing.  You can attach a screenshot.
>     Your pandoc is compiled against a recent version
>     of texmath (0.10.1).
>     +++ Emma Cliffe [Jan 22 18 10:08 ]:
>     >   Dear John,
>     >   Thanks for the information below. For some reason I didn't see
>     your
>     >   response when you posted it. I have just now tried the latest
>     version
>     >   of pandoc from the downloads page (pandoc 2.1.1 Compiled with
>     >   pandoc-types 1.17.3, texmath 0.10.1, skylighting 0.6) and I am
>     getting
>     >   the same problem. The output in linear format of Word is
>     ((xxx…xx)┬(}
>     >   ))┬n which does not render correctly. This seems to be about the
>     same
>     >   as what I was getting before: ((xxx…xx)┬⏟)┬n and not what I
>     would
>     >   expect to get: ⏟(xxx…xx)┬n
>     >   From what I can tell the binary is using a version of texmath
>     that
>     >   contains the below mentioned fix?
>     >   Thanks for any help you can give us.
>     >   Emma
>     >   On Tuesday, 3 October 2017 21:52:27 UTC+1, John MacFarlane
>     wrote:
>     >
>     >     This bug got fixed in texmath in February 2016.
>     >     If you compile your pandoc against the most recent version
>     >     of texmath, it should work.
>     >     Anyway, this will be fixed in the pandoc 2.0 binary
>     >     packages.  Or you can try (at your own risk) a binary
>     >     from pandoc-nightlies.
>     >     +++ Emma Cliffe [Oct 03 17 02:36 ]:
>     >     >   Morning,
>     >     >   I am having trouble getting pandoc to convert underbrace
>     either
>     >     into
>     >     >   Word or out of Word. I wondered if there is either
>     something I
>     >     am doing
>     >     >   wrong, whether this is a known problem (I can't find a
>     report)
>     >     or if
>     >     >   there is a work round for converting into Word.
>     >     >   If I try to convert:
>     >     >   \[
>     >     >   \underbrace{xxx\ldots xx}_n
>     >     >   \]
>     >     >   for instance then what I get in Word (linear format) is:
>     >     >   ((xxx…xx)┬⏟)┬n
>     >     >   which does not render as a stretched underbrace.
>     >     >   I would expect to get:
>     >     >   ⏟(xxx…xx)┬n
>     >     >   which is typed directly into Word as \underbrace(xxx\ldots
>     xx)_n
>     >     (then
>     >     >   space to trigger). You get the same linear interpretation
>     if you
>     >     use
>     >     >   the mouse to create the structure.
>     >     >   The above is the direction I am interested in. I am
>     actually
>     >     converting
>     >     >   from MathML and see the same behaviour as in the cut down
>     test
>     >     of md or
>     >     >   tex to docx I have explained above.
>     >     >   For completeness I tried to convert in the other
>     direction.
>     >     Starting
>     >     >   from the above structure in Word I end up with:
>     >     >   \[\underset{n}{}\]
>     >     >   which has not only lost the xxx...xx but underbrace has
>     become
>     >     underset
>     >     >   which is not the same thing.
>     >     >   Does anyone know anything more about this?
>     >     >   Many thanks,
>     >     >   Emma
>     >     >
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>References
>
>   1. https://hackage.haskell.org/package/texmath-0.8.6.5/changelog
>   2. http://www.w3.org/1998/Math/MathML
>   3. https://groups.google.com/d/msgid/pandoc-discuss/
>   4. http://40googlegroups.com/
>   5. https://groups.google.com/
>   6. https://groups.google.com/d/msgid/pandoc-discuss/f240aa27-
>   7. http://3e64-430c-82b0-55e095a5b175-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org/?utm_medium=
>   8. https://groups.google.com/d/optout
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>  10. http://40googlegroups.com/
>  11. https://groups.google.com/d/optout
>  12. https://groups.google.com/d/msgid/pandoc-discuss/f240aa27-3e64-430c-
>  13. http://40googlegroups.com/
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