Hi Bert,
The input file is an HTML containing mathml blocks.
The only occurrence of the string "InvisibleTimes" in the file is in a mathml
block as an operator:
<mo>⁢</mo>
The html file refers to a css file that I currently don't have and I don't see
how a CSS file could influence the interpretation/treatment of such entities
by liblouisutdml.
A self-experimented solution is now on my behalf is that I added a line to the
nemeth.ctb file:
noback correct "⁢" ?
Is this an acceptable way to tackle such situations?
Best Regards, Norbert.
From: Bert Frees
Sent: Friday, May 26, 2017 11:35 AM
To: liblouis-liblouisxml@xxxxxxxxxxxxx
Subject: [liblouis-liblouisxml] Re: MathML question
Hi Norbert,
Is the entity declared in the input XML?
2017-05-25 0:55 GMT+02:00 Norbert Markus <hamilfonz@xxxxxxxxx>:
Hi All,
An HTML source file containing mathML blocks produce some unvanted sequences
in the braille output.
One of them is an entity:
⁢
(This is a multiplication operator that should not be displayed.)
Actually, the braille output contains its transcription like
_&,invisible,times;
(the excerpt above is given using USA braille characters)
Can you help me find the most appropriate way to prevent this from appearing
in the braille material?
Another question:
When a math line is too long in braille, liblouisutdml breaks it and puts a
hyphen at the end of the first line. This hyphen looks exactly like a minus
sign. Is this legal in Nemeth math code or should it be prevented from
happening? If it should, do you know how?
A third question:
Does anyone happen to know the Nemeth braille representation for the product
symbol for a product series. In TeX, it is \prod. Its hexadecimal unicode is
\x220f.
Syntactically it is the same as a summa but instead of adding the elements of
the series, it multiplies them.
In xml/html sources that I am trying to translate into Nemeth math, the
hexadecimal character code for this symbol appears. Does liblouis already
handle the braille representation of this symbol or should it be introduced in
a table?
Thanks a lot for your answers.
Best Regards, Norbert.
