++ed by:  21 PAUSE users 13 non-PAUSE users.  Jeffrey Kegler
Marpa::R2::Changes - Differences between Marpa::R2 and Marpa::XS
About this document  This document describes the incompatible
differences between Marpa::XS and Marpa::R2. (Differences that
do not give rise to incompatibility are outside of its scope.)
It is intended for readers already familiar with Marpa::XS, who
are writing new applications for Marpa::R2, and for readers
migrating Marpa::XS applications and tools to Marpa::R2.
Additional reserved symbol names  Marpa::XS reserved, for its
internal use, all symbol names ending with the right square
bracket ("]"). In addition, Marpa::RS reserved symbols ending
with the right parenthesis (")"), the right angle bracket (">"),
and the right curly bracket ("}"). Any other valid Perl string
remains an acceptable symbol name.  The return value of the
read() method has changed  The return value of the Marpa::R2
recognizer's read() method differs from its Marpa::XS
equivalent. In Marpa::XS it returned