[Libreoffice-bugs] [Bug 128414] underbrace in math formula is displayed incorrectly without additional sm brackets

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=128414

V Stuart Foote <vstuart.foote at utsa.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.documentfounda
                   |                            |tion.org/show_bug.cgi?id=89
                   |                            |865
           Severity|normal                      |trivial
             Blocks|                            |39750
            Summary|underbrace in math formula  |underbrace in math formula
                   |is displayed incorrectly    |is displayed incorrectly
                   |                            |without additional sm
                   |                            |brackets
                 CC|                            |rb.henschel at t-online.de,
                   |                            |vstuart.foote at utsa.edu

--- Comment #1 from V Stuart Foote <vstuart.foote at utsa.edu> ---
Confirmed on Windows 10 Heme 64-bit en-US (1903) with
Version: 6.3.2.2 (x64)
Build ID: 98b30e735bda24bc04ab42594c85f7fd8be07b9c
CPU threads: 4; OS: Windows 10.0; UI render: default; VCL: win; 
Locale: en-US (en_US); UI-Language: en-US
Calc: threaded

The sm nodes for the initial matrix and underbrace are evaluated correctly,
following the '{} times {}' node, the same syntax for the second matrix and
underbarce is not--and the underbrace is applied to both sm matrix nodes. 

Simple workaround of entering the the starmath formula with extra grouping of
additonal bracket pairs correctly formats the nodes.

{{ left [  matrix { a_11 # a_12 # a_13 # a_14 ## a_21 # a_22 # a_23 # a_24 ##
bold {a_31} # bold{a_32} # bold{a_33} # bold{a_34}## a_41 # a_42 # a_43 # a_44}
right ] } underbrace {A}} times {{ left [ matrix { b_11 # b_12 # b_13 #
bold{b_14} ## b_21 # b_22 # b_23 # bold{b_24} ## b_31 # b_32 # b_33 #
bold{b_43} ## b_41 # b_42 # b_43 # bold{b_44} } right ] } underbrace {B}}

Similar to bug 89865 should not need it but we do.

@Regina, does ODF and MathML require more rigorous handling?


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=39750
[Bug 39750] [META] General Math formula editor improvements
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