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

[Ian MacLarty]

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.
		*/

Ian.

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