Increment the counter (overflow rolls back to 0).

Set class to be used for inclusion of string literals into a parser. Example:: # default literal class used is Literal

Helper to construct opening and closing tag expressions for HTML, given a tag name. Matches tags in either upper or lower case, attributes wit

Helper method for common parse actions that simply return a literal value. Especially useful when used with :class:`transformString<ParserEle

Enable display of debugging messages while doing pattern matching. Set ``flag`` to True to enable, False to disable. Example

Enable display of debugging messages while doing pattern matching.

r""" Overrides the default whitespace chars Example:: # default whitespace chars are space, <TAB> and newline

Define action to perform if parsing fails at this expression. Fail acton fn is a callable function that takes the arguments ``fn

Unpacks P.A.C.K.E.R. packed js code.