Use "%empty" in the parsers, instead of comments #5134
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nikic
reviewed
Jan 30, 2020
The annotation %empty is properly enforced: warnings when it's missing, and errors when it's inappropriate. Support for %empty was introduced in Bison 3.0. Pass -Wempty-rule to Bison.
nikic
approved these changes
Jan 30, 2020
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The annotation
%emptyis properly enforced: warnings when it's missing, and errors when it's inappropriate. Support for%emptywas introduced in Bison 3.0.Pass
-Wempty-ruleto Bison.