def p_subscript4(p):
    name = ast.Name(id='None', ctx=Load)
    p[0] = ast.Slice(lower=None, upper=None, step=name)
Internal handler for the start of a script tag.
dataset/ETHPy150Open nucleic/enaml/enaml/core/parser.py/p_subscript4--crossover with--dataset/ETHPy150Open google/closure-linter/closure_linter/common/htmlutil.py/ScriptExtractor.start_script