1 1 8 Input control 1 *************** 1 1 This chapter describes various builtin macros for controlling the input 1 to 'm4'. 1
1 · Dnl Deleting whitespace in input · Changequote Changing the quote characters · Changecom Changing the comment delimiters · Changeword Changing the lexical structure of words · M4wrap Saving text until end of input 1