Author: masak Date: 2010-06-03 15:52:01 +0200 (Thu, 03 Jun 2010) New Revision: 31082
Modified: docs/Perl6/Spec/S32-setting-library/Str.pod Log: [S32/Str] rethinking of tab characters Also added a Str.indent(*) use case. Modified: docs/Perl6/Spec/S32-setting-library/Str.pod =================================================================== --- docs/Perl6/Spec/S32-setting-library/Str.pod 2010-06-03 13:35:39 UTC (rev 31081) +++ docs/Perl6/Spec/S32-setting-library/Str.pod 2010-06-03 13:52:01 UTC (rev 31082) @@ -594,9 +594,18 @@ If C<$steps> is negative, removes that many spaces instead. Should any line contain too few leading spaces, only those are removed and a warning is issued. -Only spaces are considered indentation; tabs or other Unicode whitespace -characters are not considered. +If C<$steps> is C<*>, removes exactly as many spaces as are needed to make at +least one line have zero indentation. +When removing indentation, the method will assume hard tabs to be +C<< ($?TABSTOP // 8) >> spaces, and will treat other horizontal whitespace +characters as synonymous to spaces. Characters not participating in the +re-indenting will be left untouched, and those added in an indent call will +be either (1) consistent with subsequent leading whitespace already on the +line, if these are all the same, or (2) spaces. During an unindent, the +trailing tab character in a chain of leading tab characters may explode +into a number of space characters. + =back =head1 Additions
