How do you define a new texinfo macro?

[John W. Eaton]

On  9-May-2012, Jordi Gutiérrez Hermoso wrote:

| We have a tiny problem with the docstring for mldivide and ldivide.
| It's using backslashes in a the xcode macro, and texinfo has problems
| with that:
| 
|     http://old.nabble.com/backslashes-in-macro-arguments-td28884883.html
| 
| A suggested workaround is to define a new macro just for backslashes
| instead of passing backslashes as macro arguments. I was unable to
| figure out how to do this. I tried monkeying the xcode macro, but I
| was unable to make it work, so I thought I'd just ask.

You mean the @address@hidden \\ y}} part of the docstring?

Hmm, when I do "help mldivide", the backslash from that shows up but
when I look at the Info version of the manual with "doc mldivide" it
does not.  That's odd, since both are supposed to be processed with
makeinfo.

jwe