Merge pull request #1564 from titsuki/quoting-adverbs

Add indexes for quoting adverbs

doc/Language/quoting.pod6

@@ -57,6 +57,7 @@ These examples produce:
 The behaviour of quoting constructs can be modified with adverbs, as explained
 in detail in later sections.
 
+X<|:x (quoting adverb)>X<|:exec (quoting adverb)>X<|:w (quoting adverb)>X<|:words (quoting adverb)>X<|:ww (quoting adverb)>X<|:quotewords (quoting adverb)>X<|:q (quoting adverb)>X<|:single (quoting adverb)>X<|:qq (quoting adverb)>X<|:double (quoting adverb)>X<|:s (quoting adverb)>X<|:scalar (quoting adverb)>X<|:a (quoting adverb)>X<|:array (quoting adverb)>X<|:h (quoting adverb)>X<|:hash (quoting adverb)>X<|:f (quoting adverb)>X<|:function (quoting adverb)>X<|:c (quoting adverb)>X<|:closure (quoting adverb)>X<|:b (quoting adverb)>X<|:backslash (quoting adverb)>X<|:to (quoting adverb)>X<|:heredoc (quoting adverb)>X<|:v (quoting adverb)>X<|:val (quoting adverb)>
 =begin table
 Short       Long            Meaning