* Modernize Whitespace token: basic lexer

* Modernize Whitespace token: bibtex lexer

* Modernize Whitespace token: boa lexer

* Modernize Whitespace token: capnproto lexer + new example

* Modernize Whitespace token: cddl lexer

* Modernize Whitespace token: chapel lexer

* Modernize Whitespace token: c_like lexer

* Modernize Whitespace token: configs lexer

* Modernize Whitespace token: console lexer

* Modernize Whitespace token: crystal lexer

* Modernize Whitespace token: csound lexer

* Modernize Whitespace token: css lexer

* Revert a change in basic lexer

* Add NestedText lexer

* Add NestedText to list of supported languages

* Add some more test cases

* Update tests.