question about m4 - macro preprocessor

andrew.d.hay mvadh at cbnews.att.com
Wed Nov 28 00:02:37 AEST 1990


In article <3201 at mrsvr.UUCP>, carl at gemed (Carl Crawford) writes:
> i am using the macro preprocessor m4 with files that are
> subsequently passed to troff. m4 replaces lines that 
> contain m4 commands with blank lines. the blank lines
> disrupt the text that is passed to troff. does anyone know 
> how to run m4 so that the blank lines can be eliminated?

it's easy -- add "dnl" to the end of each m4 macro definition.
this deletes the newline that otherwise automatically follows
the definition.

-- 
Andrew Hay		+------------------------------------------------------+
Ragged Individualist	| 	You just have _N_O idea!  It's the difference    |
AT&T-BL Ward Hill MA	|	between _S_H_O_O_T_I_N_G a bullet and _T_H_R_O_W_I_N_G it!     |
a.d.hay at att.com		+------------------------------------------------------+



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