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ANSI Common Lisp  22 Printer 22.4 Dictionary of Printer
| 22.4.10 pprint-tab |
Function |
- Syntax:
-
pprint-tab
kind colnum colinc &optional stream
 nil
- Arguments and Values:
-
kind - one of :line, :section, :line-relative,
or :section-relative.
colnum - a non-negative integer.
colinc - a non-negative integer.
stream - an output stream designator.
- Description:
-
Specifies tabbing to stream as performed by the standard ~T format directive.
If stream is a pretty printing stream and
the value of *print-pretty* is true,
tabbing is performed;
otherwise, pprint-tab has no effect.
The arguments colnum and colinc correspond to the two
parameters to ~T and are in terms of ems.
The kind argument specifies the style of tabbing. It must be one of
:line (tab as by ~T),
:section (tab as by ~:T,
but measuring horizontal positions relative to
the start of the dynamically enclosing section),
:line-relative (tab as by ~@T), or
:section-relative (tab as by ~:@T,
but measuring horizontal positions relative to
the start of the dynamically enclosing section).
- Exceptional Situations:
-
An error is signaled if kind is not one of :line,
:section, :line-relative, or :section-relative.
- See Also:
-
pprint-logical-block
- Allegro CL Implementation Details:
-
None.
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