@vindex yynerrs
The variable @code{yynerrs} contains the number of syntax errors
-encountered so far. Normally this variable is global; but if you
+reported so far. Normally this variable is global; but if you
request a pure parser (@pxref{Pure Decl, ,A Pure (Reentrant) Parser})
then it is a local variable which only the actions can access.
@end deffn
@deffn {Variable} yynerrs
-Global variable which Bison increments each time there is a syntax error.
+Global variable which Bison increments each time it reports a syntax error.
(In a pure parser, it is a local variable within @code{yyparse}.)
@xref{Error Reporting, ,The Error Reporting Function @code{yyerror}}.
@end deffn