[LyX/master] Support the mathbbm font.

[Stephan Witt]

Am 27.07.2020 um 17:53 schrieb Kornel Benko <kornel at lyx.org>:
> 
> Am Mon, 27 Jul 2020 16:29:18 +0200
> schrieb Kornel Benko <kornel at lyx.org>:
> 
>> Am Mon, 27 Jul 2020 12:33:17 +0200
>> schrieb Pavel Sanda <sanda at lyx.org>:
>> 
>>> On Mon, Jul 27, 2020 at 04:56:48AM +0200, Thibaut Cuvelier wrote:  
>>>> commit e709a6626e731b460a98ea34d762a776de90b54c
>>>> Author: Thibaut Cuvelier <tcuvelier at lyx.org>
>>>> Date:   Mon Jul 27 03:14:38 2020 +0200
>>>> 
>>>>    Support the mathbbm font.
>>>> 
>>>>    Should just be able to read formulae, not add it from the GUI, as it's mostly
>>>> redundant with mathds and mathbb.    
>>> 
>>> Hi Thibaut,
>>> 
>>> why is this font addition needed?
>>> And how is it related to the changes in src/output_docbook.cpp?
>>> 
>>> Pavel  
>> 
>> Math.lyx is not compilable (pdflatex)
>> 
>> The display of 'Introduction' in Math.lyx is wrong (See attached (new and old))
>> 
>> The multicolumn is now impossible.
> 
> The bisect for this one leads to
> 3b6fec38357949da2675dd4524282f1c790eff6e is the first bad commit
> commit 3b6fec38357949da2675dd4524282f1c790eff6e
> Author: Juergen Spitzmueller <spitz at lyx.org>
> Date:   Wed Jul 15 09:11:05 2020 +0200
> 
>    Do not terminate size switches in front of insets with InheritFont() false
> 
>    and inherit the size.
> 
>    This reduces formatting clutter (#8384) in table and fixes some wrongly
>    set sizes (#9923, #9285) in tables.
> 
> :040000 040000 0f1e962b245826e63668b2e2b788ffdf261dbfc8
> 9f926691f89cf1dadc27418c03763f1776458a80 M	src
> 
> Attached a minimal example

On my system this commit causes many latex compiler errors too. The Users Guide is broken too.
See my report here: https://www.mail-archive.com/lyx-devel@lists.lyx.org/msg212011.html

I tried to solve it by an update of my TeXLive 2020 w/o success. Thank you for your MWE.

Stephan