add support for \e to the {alltt} environment
diff --git a/Doc/doc/doc.tex b/Doc/doc/doc.tex
index 7d84a4b..dddb9a9 100644
--- a/Doc/doc/doc.tex
+++ b/Doc/doc/doc.tex
@@ -790,7 +790,8 @@
\begin{macrodesc}{e}{}
Produces a backslash. This is convenient in \macro{code},
- \macro{file}, and similar macros, and is only defined there. To
+ \macro{file}, and similar macros, and the \env{alltt}
+ environment, and is only defined there. To
create a backslash in ordinary text (such as the contents of the
\macro{citetitle} macro), use the standard \macro{textbackslash}
macro.