Fix remaining {\rm ...} construct.
diff --git a/Doc/lib/libexcs.tex b/Doc/lib/libexcs.tex
index 7ecb41b..ff5ef22 100644
--- a/Doc/lib/libexcs.tex
+++ b/Doc/lib/libexcs.tex
@@ -169,7 +169,7 @@
\begin{excdesc}{ImportError}
% XXXJH xref to import statement?
Raised when an \keyword{import} statement fails to find the module
- definition or when a \code{from {\rm \ldots} import} fails to find a
+ definition or when a \code{from \textrm{\ldots} import} fails to find a
name that is to be imported.
\end{excdesc}