Rearranging for #1729

Author: JJ

doc/Language/grammars.pod6

@@ -207,16 +207,6 @@ methods.
 X<|ws>
 =head3 C<ws>
 
-When C<rule> instead of C<token> is used, any whitespace after terms and closing
-parenthesis/brackets is turned into a non-capturing call to C<ws>,
-written as C«<.ws>» where C<.> means non-capturing. That is to say:
-
-    rule entry { <key> '=' <value> }
-
-Is the same as:
-
-    token entry { <key> <.ws> '=' <.ws> <value> <.ws> }
-
 The default C<ws> matches zero or more whitespace characters, as long as that
 point is not within a word (in code form, that's C«regex ws { <!ww> \s* }»):
 
@@ -231,6 +221,20 @@ point is not within a word (in code form, that's C«regex ws { <!ww> \s* }»):
     # Successful match: there is a word boundary between ')' and 'b'
     say ')b' ~~ /. <.ws> b/;             # OUTPUT: «｢)b｣␤»
 
+Please bear in mind that we're preceding C<ws> with a dot to avoid capturing,
+which we are not interested in. Since in general whitespace is a separator, this
+is how it's mostly found.
+
+When C<rule> instead of C<token> is used, any whitespace after terms and closing
+parenthesis/brackets is turned into a non-capturing call to C<ws>,
+written as C«<.ws>» where C<.> means non-capturing. That is to say:
+
+    rule entry { <key> '=' <value> }
+
+Is the same as:
+
+    token entry { <key> <.ws> '=' <.ws> <value> <.ws> }
+
 You can also redefine the default C<ws> token:
 
     grammar Foo {