Standard Dispatching Macro Character Syntax

CLtL2 Reference

'#' is the SubL standard dispatching macro character. The SubL reader supports the following dispatch macro character sequences, whose meanings are identical to their meanings in Common Lisp :

Dispatch Sequence     Reader Action

#\(   Read a character constant.
#'   Read a function constant.
#(   Begin reading a vector.
#|   Begin reading a comment section.
|#   End reading a comment section.

Additionally, SubL supports the dispatch sequence #$ as follows :

#$foo reads the Cyc constant whose name is "foo"