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-rw-r--r--Doc/lib/libcmd.tex8
1 files changed, 6 insertions, 2 deletions
diff --git a/Doc/lib/libcmd.tex b/Doc/lib/libcmd.tex
index e38fc24..54d924f 100644
--- a/Doc/lib/libcmd.tex
+++ b/Doc/lib/libcmd.tex
@@ -73,7 +73,8 @@ error message and returns.
\end{methoddesc}
\begin{methoddesc}{precmd}{}
-Hook method executed just before the input prompt is issued. This
+Hook method executed just before the command line is interpreted, but
+after the input prompt is generated and issued. This
method is a stub in \class{Cmd}; it exists to be overridden by
subclasses.
\end{methoddesc}
@@ -142,5 +143,8 @@ headers. If empty, no ruler line is drawn. It defaults to
A flag, defaulting to true. If true, \method{cmdloop()} uses
\function{raw_input()} to display a prompt and read the next command;
if false, \function{sys.stdout.write()} and
-\function{sys.stdin.readline()} are used.
+\function{sys.stdin.readline()} are used. (This means that by
+importing \module{readline}, on systems that support it, the
+interpreter will automatically support Emacs-like line editing
+and command-history keystrokes.)
\end{memberdesc}