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## [AUCTeX] must force $in math::array::textrm  From: Jonas Koelker Subject: [AUCTeX] must force$ in math::array::textrm Date: Wed, 31 Aug 2005 21:32:40 +0200

Hi.  Here's a short excerpt from one of my math assignments (no, this
isn't a homework question :P):

\begin{displaymath}
sign(n) =
\left\{
\begin{array}{rl}
-1 & \textrm{if $n < 0$} \\
0 & \textrm{if $n = 0$} \\
1 & \textrm{if $n > 0$} \\
\end{array}
\right.
\end{displaymath}

The dollar signs inside \textrm{} must be forced ("Math mode because of
displaymath'.  Use C-q \$ to force a dollar").  Since \textrm isn't in
math-mode by default, the Right Thing (in my mind, at least) is to
allow the dollar without forcing it.

FYI'ly yours,

Jonas Kölker

PS.  I don't follow the list, so you'll have to cc me if you want need
to get in touch with me (say, to tell me to get my ass on the list).

---

Emacs  : GNU Emacs 21.4.1 (i386-pc-linux-gnu)
of 2005-03-17 on trouble, modified by Debian
Package: AUCTeX 11.55

current state:
==============
(setq
window-system nil
LaTeX-version "2e"
TeX-style-path '("style/" "auto/"
"/usr/share/emacs21/site-lisp/auctex/style/"
"/var/lib/auctex/emacs21/")
TeX-auto-save nil
TeX-parse-self nil
TeX-master t
)

`