Tilde Underscore: Conditional Newline (original) (raw)
ANSI Common Lisp 22 Printer
22.3 Formatted Output
22.3.5 FORMAT Pretty Printer Operations
22.3.5.1 Tilde Underscore: Conditional Newline
Without any modifiers, ~_ is the same as (pprint-newline :linear).~@_ is the same as (pprint-newline :miser).~:_ is the same as (pprint-newline :fill).~:@_ is the same as (pprint-newline :mandatory).