error reporting
- longest parse
- count the lines
- print the line
- print the deepest non-alias node name
- print the documentation of the node name
read, with error reporting
what was the bug with the large json from eskip?

[next]
missing tests, coverage:
- validation
- error cases
- whitespace cases
error reporting
coverage
custom tokens
indentation
streaming
code generation go:
- find things that depend on the syntax input
- char matches can be generated into switches
code generation js
documentation flag

[problems]
can the root be an alias? check the commit mechanism

[documentation]
how the char classes are different from regexp
why need nows when using ws