Glyphs Summary
--------------
Here are the different glyph commands:
=>
`@result{}' points to the result of an expression.
==>
`@expansion{}' shows the results of a macro expansion.
-|
`@print{}' indicates printed output.
error-->
`@error{}' indicates that the following text is an error message.
==
`@equiv{}' indicates the exact equivalence of two forms.
-!-
`@point{}' shows the location of point.