Reword

- better explanation of "speculative 6.d"
- mention method exists only in Rakudo impl

Author: zoffixznet

doc/Type/Str.pod6

@@ -296,8 +296,9 @@ See also: L«:16<FF> syntax for number literals|/syntax/Number%20literals»
     sub    parse-names(Str:D $names  --> Str:D)
     method parse-names(Str:D $names: --> Str:D)
 
-B<DEPRECATED>. Renamed to L<uniparse>. Exists only in speculative 6.d language.
-In 6.d issues deprecation warnings and will be removed entirely in 6.e.
+B<DEPRECATED>. Existed only in pre-release proposal version of 6.d language and
+was eventually renamed to L<uniparse>. In Rakudo implementation,
+issues deprecation warnings in 6.d language and will be removed entirely in 6.e.
 
 =head2 routine uniparse