Is translated into a single-byte value between 0 and 31. For example, ^M is
converted to a carriage return. If char is a value between a and z, the
character sequence is translated into a single-byte value between 1 and 26. If
char is any other value, the character sequence is not specially treated. <cr>
Carriage return <lf> Linefeed \" Double-quote \^ Single caret \< Single '<' \\
Backslash Examples: transmit "^M" transmit "Joe^M" transmit "<cr><lf>" waitfor
"<cr><lf>" 5.0 Expressions An expression is a combination of operators and
arguments that evaluates to a result.