>>> reallocating lex token buffer to 256
>>> reallocating lex token buffer to 256
>>> DATA_: 'test'
>>> LOOP_
>>> TAG: '_tag'
./cifparse: tests/cifparse_146.inp(4,1) data_test: ERROR, incorrect CIF syntax:
 _
 ^
>>> TAG: '_'
>>> INTEGER: '1'
>>> INTEGER: '2'
>>> INTEGER: '3'
>>> INTEGER: '4'
./cifparse: file 'tests/cifparse_146.inp' FAILED
