:ii implies :i, :mm implies :m

Author: TimToady

S05-regex.pod

@@ -17,8 +17,8 @@ Synopsis 5: Regexes and Rules
 
     Created: 24 Jun 2002
 
-    Last Modified: 31 Jul 2012
-    Version: 158
+    Last Modified: 5 Oct 2012
+    Version: 159
 
 This document summarizes Apocalypse 5, which is about the new regex
 syntax.  We now try to call them I<regex> rather than "regular
@@ -225,7 +225,9 @@ is required (as defined in TR18 section 2.4).  In grapheme mode level 2 is
 required.
 
 The C<:ii> (or C<:samecase>) variant may be used on a substitution to change the
-substituted string to the same case pattern as the matched string.
+substituted string to the same case pattern as the matched string.  It implies
+the same pattern semantics as C<:i> above, so it is not necessary to
+put both C<:i> and C<:ii>.
 
 If the pattern is matched without the C<:sigspace> modifier, case
 info is carried across on a character by character basis.  If the
@@ -273,6 +275,9 @@ base character.
 
 The C<:mm> (or C<:samemark>) variant may be used on a substitution to change the
 substituted string to the same mark/accent pattern as the matched string.
+It implies the same pattern semantics as C<:m> above, so it is not necessary
+to put both C<:m> and C<:mm>.
+
 Mark info is carried across on a character by character basis.  If
 the right string is longer than the left one, the remaining characters
 are substituted without any modification.  (Note that NFD/NFC distinctions