def add_expr(self, buf, code, flag_escape=None):
        if not code or code.isspace():
            return
        code = "_decode_params(%s)" + code
        Template.add_expr(self, buf, code, flag_escape)


##
## template engine class
##
dataset/ETHPy150Open rst2pdf/rst2pdf/rst2pdf/tenjin.py/Preprocessor.add_expr/operator `%` -> `+`