[ 7] include Letters in word characters
[ 8] see UTR#21 Case Mappings: Perl implements 1:1 mappings
[ 9] see UTR#13 Unicode Newline Guidelines
- [10] should do ^ and $ also on \x{2028} and \x{2029}
-
+ [10] should do ^ and $ also on \x{85}, \x{2028} and \x{2029})
+ (should also affect <>, $., and script line numbers)
+
(*) Instead of [\u0370-\u03FF-[{UNASSIGNED}]] as suggested by the TR
18 you can use negated lookahead: to match currently assigned modern
Greek characters use for example