[m-rev.] for review: make some io procedures return "" instead of NULL

[Ian MacLarty]

On Fri, 20 May 2005, Julien Fischer wrote:

>
> On Fri, 20 May 2005, Ian MacLarty wrote:
>
> > On Fri, 20 May 2005, Julien Fischer wrote:
> >
> > >
> > > On Thu, 19 May 2005, Ian MacLarty wrote:
> > > > Index: library/io.m
> > > > ===================================================================
> > >
> > > That's fine except that I think you should put a brief comment
> > > at each of those three spots explaining why "" is returned rather
> > > than NULL.
> > >
> > How about:
> > 		/*
> > 		** Return a real string, otherwise mdb will break when it tries
> > 		** to print the string.
> > 		*/
> or:
> 	We can't just return NULL here, because otherwise mdb will break
> 	when it tries to print the string.
>

Okay.

Ian.

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