/CODE>
 and the second <CODE>
\{test</CODE>
.
<IMG SRC="BackslashSequences.gif">

</P>
<P>
If an argument is enclosed in braces, then backslash sequences inside the argument are parsed but no substitution occurs. In particular, backslashed braces are not counted in locating the matching right brace that terminates the argument. for example, in the command:</P>
<PRE>var a {\{abc}</PRE>
<P>
the second argument to var will be <CODE>
\{abc</CODE>
.</P>
<P>
The backslash mechanism is not sufficient to generate a