[PATCH] man: Fix typo and use $() for make expressions

[Thierry Reding]

On Fri, Jan 18, 2013 at 05:00:34PM +0100, David Herrmann wrote:
[...]
> Also ${} is pretty standard in makefiles, isn't it?

The curly braces are allowed and valid syntax, but I haven't seen many
uses of them. Historically only $() was a documented feature, while ${}
was accepted as equivalent but undocumented. Apparently ${} is more
common on BSD or in older makefiles. According to Wikipedia[0], the ${}
variant is "rarely used". While Wikipedia isn't necessarily an
authoritative source, it certainly corresponds with my experience in
this case.

Thierry

[0]: http://en.wikipedia.org/wiki/Make_(software)
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