[S02] clarify tabstop semantics

in accordance to how most consoles and text editors interpret them.
felher++

Author: moritz

S02-bits.pod

@@ -13,8 +13,8 @@ Synopsis 2: Bits and Pieces
 
     Created: 10 Aug 2004
 
-    Last Modified: 04 Sep 2012
-    Version: 269
+    Last Modified: 25 Nov 2012
+    Version: 270
 
 This document summarizes Apocalypse 2, which covers small-scale
 lexical items and typological issues.  (These Synopses also contain
@@ -4334,7 +4334,8 @@ delimiter.  Leading whitespace equivalent to the indentation of the
 delimiter will be removed from all preceding lines.  If a line is
 deemed to have less whitespace than the terminator, only whitespace
 is removed, and a warning may be issued.  (Hard tabs will be assumed
-to be C<< ($?TABSTOP // 8) >> spaces, but as long as tabs and spaces are used consistently
+to align to the next multiple of C<< ($?TABSTOP // 8) >> spaces,
+but as long as tabs and spaces are used consistently
 that doesn't matter.)  A null terminating delimiter terminates on
 the next line consisting only of whitespace, but such a terminator
 will be assumed to have no indentation.  (That is, it's assumed to