Paul Eggert fee3cad6b7 doc: improve documentation about reading and stdin
See Bug#17075.
* doc/diffutils.texi (Comparison): Say that files need not be read.
(Invoking diff): Remove confusing remark about 'diff - -'.
It's not that useful, and it's not portable anyway.
2014-03-25 17:56:14 -07:00
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