> Since internal 'echo' does nothing, it _not_ used in any old csh scripts,
> while 'echo ""' does the same thing in both old and new variants, so old
> scripts will works in the same way.
Will it change what happens if you do:
(this produces nothing in "traditional" tcsh and csh)?
> Since old csh is not maintained anymore, we don't need to preserve exact
> void compatibility with unsupported and not maintained other platforms
> software with no practical reason.
I guess we should leave it up to the tcsh folks. There are other
internal csh commands which behave differently to external commands
(nice and time come to mind). I think it is known that 'echo ""' is
a relatively portable way of printing a blank line.
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