[m-dev.] for review: fix comment in io.m

[Fergus Henderson]

On 10-Mar-1999, Simon Taylor <stayl at cs.mu.OZ.AU> wrote:
> 
> library/io.m:
> 	Fix a misleading comment on `io__putback_char' - the implementation
> 	uses ungetc() so only one character of pushback per stream is
> 	guaranteed.

Fine.

A nicer solution would be to fix the implementation, but it's hard to
do that efficiently...

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>  |  of excellence is a lethal habit"
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