None. However, a preferred SAX parser implementations can be specified by
passing the package name to SVG::Parser::SAX in the import list. For example:
use SVG::Parser::SAX qw(XML::LibXML::SAX::Parser);
A minimum version number may be additionally suppied as a second import item:
use SVG::Parser::SAX (XML::LibXML::SAX::Parser => 1.40);
This overrides the automatic selection of a suitable SAX parser. To try several
different parsers in turn, use the SVG::Parser module instead and restrict it
to only try SAX-based parsers. To make use of the automatic selection mechanism,
omit the import list.
When loaded via SVG::Parser, this parent class may be specified by placing it
after the = in a parser specification:
See SVG::Parser for more details.