# Digits cannot.
AT_DATA_GRAMMAR([input.y],
[[%token .GOOD
-%token -GOOD
-%token 1NV4L1D
+ -GOOD
+ 1NV4L1D
%%
start: .GOOD -GOOD
]])
AT_BISON_CHECK([-o input.c input.y], [1], [],
-[[input.y:11.8: syntax error, unexpected integer, expecting char or identifier or type
+[[input.y:11.10-16: invalid identifier: `1NV4L1D'
]])
AT_CLEANUP