Parser state
============
The state of the parser that needs to be kept between commands are
stored in a buffer local variable. Some global variables are
initialised from this variable when parsing starts.
- Variable: sgml-buffer-parse-state
The state of the parser that is kept between commands. The value
of this variable is of type pstate.
- Data type: pstate
The parser state.
- Function: sgml-pstate-dtd pstate
The document type information (dtd) for the parser.