[dev-context] lvert rvert etc in math

Aditya Mahajan adityam at umich.edu
Sun Mar 18 17:38:38 CET 2007


On Sun, 25 Feb 2007, Taco Hoekwater wrote:

> Aditya Mahajan wrote:
>> Hi Hans and Taco,
>> 
>> amsmath.sty defines \lvert and \rvert which provide correct spacing when 
>> \vert is used as a left or a right delimiter (code at the end of email). I 
>> do not completely understand what amsmath is trying to do. Wouldn't
>> 
>> \definemathsymbol [lvert] [open]  [sy] ["6A] [ex] ["0C]
>> \definemathsymbol [rvert] [close] [sy] ["6A] [ex] ["0C]
>> 
>> this achieve the same goal?
>
> Yes. The AMS code does not quite know when it will be run
> and it has to cope with other math encodings as well, that
> is why it is that much more complicated.

Hans,

Can the following be added to math-tex

\definemathsymbol [lvert] [open]  [sy] ["6A] [ex] ["0C]
\definemathsymbol [rvert] [close] [sy] ["6A] [ex] ["0C]

\definemathsymbol [lVert] [open]  [sy] ["6B] [ex] ["0D]
\definemathsymbol [rVert] [close] [sy] ["6B] [ex] ["0D]

Aditya


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