When this variable is true, the concept of "space" is extended from just
#\Space
to include other appropriate characters. The default is
nil
, for ANS compliance, but we recommend that you set it to
t
.
This variable controls how the format directives
~:C
and
~:@C
output graphic characters which have an empty glyph. When this variable is
t
, all such characters are output using the name:
(format nil "~:C" #\No-break-space) -> "No-Break-Space"
(format nil "~:C" (code-char #x3000)) -> "Ideographic-Space"
When false, only one such character is output using the name:
(format nil "~:C" #\Space) -> "Space"
(format nil "~:C" #\No-break-space) -> " "
(format nil "~:C" (code-char #x3000)) -> " "
LispWorks User Guide and Reference Manual - 21 Dec 2011