Require all operator precedence classes to be explicitly declared.

melt-umn / copper

An integrated context-aware scanner and parser generator

http://melt.cs.umn.edu/copper

GNU Lesser General Public License v3.0

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Require all operator precedence classes to be explicitly declared. #28

Closed schwerdf closed 5 years ago

schwerdf commented 6 years ago

As a backward-compatibility measure with Copper 0.6, operator precedence classes are currently allowed to be declared implicitly in XML specs as a deprecated practice [1] [2]. This kludge should be removed as part of the resolution of issue #25.