[ruby/rdoc] Refactor RDoc::Markup::Parser#tokenize
RDoc::Markup::Parser#tokenize
Make verbatims text or newline only, and simplify build_verbatim.
build_verbatim
https://github.com/ruby/rdoc/commit/41ceae93b3
[ruby/rdoc] Refactor
RDoc::Markup::Parser#tokenizeMake verbatims text or newline only, and simplify
build_verbatim.https://github.com/ruby/rdoc/commit/41ceae93b3