Re: m4 and newlines?

[Mike]

In article <10o4n6u8e13sf41@corp.supernews.com>, Mike wrote:
> I have a macro working:
> 
> define(`domain', `ifelse($#, 0, , $#, 1, ``domain $1'', ``domain' $1 
> domain(shift($@))')')
> domain(`a', `b', `c')
> 
> that returns:
> 
> domain a domain b domain c
> 
> I want it to return:
> 
> domain a
> domain b
> domain c
> 
> How do I cause a newline? I tried define(`newline', `esyscmd(echo)'), but
> that didn't seem to do right.
> 
> Mike

One solution I found is to change the define like:
define(`domain', `ifelse($#, 0, , $#, 1, ``domain $1'',
                ``domain' $1
domain(shift($@))')

So the string 'domain $1 domain()' has an embedded newline.

Mike