<sect>Limitations<p>
+<sect1>Escape code<p>
-<sect>Other hints<p>
+The CTRL key cannot be used to type most control characters,
+entering an Esc is not possible.
-<sect1>Escape code<p>
-For an Esc, pressing CTRL and the <tt/[/ key is not supported.
+<sect>Other hints<p>
<sect1>Passing arguments to the program<p>