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Document that we use {} for variable expansion.

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MFC after:	1 week
Sponsored by:	EMC / Isilon Storage Division
This commit is contained in:
Bryan Drewery 2015-10-22 04:50:52 +00:00
parent d4f564c588
commit 37bfb9b3bf
1 changed files with 8 additions and 1 deletions
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9
share/man/man5/style.Makefile.5
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@ -27,7 +27,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd January 8, 2005
.Dd October 21, 2015
.Dt STYLE.MAKEFILE 5
.Os
.Sh NAME
@ -117,6 +117,13 @@ i.e., no space between the variable name and the
.Ic = .
Keep values sorted alphabetically, if possible.
.It
Variables are expanded with
.Sy {} ,
not
.Sy () .
Such as
.Va ${VARIABLE} .
.It
Do not use
.Ic +=
to set variables that are only set once