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Document the confusing behavior that the .if conditional defaults

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to defined(), e.g., ``.if 1'' is equivalent to ``.if defined(1)'',
which is only true when the ${1} variable is defined.
This commit is contained in:
Ruslan Ermilov 2002-11-01 08:40:32 +00:00
parent 5141960f43
commit 79c45f3bf9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=106286
1 changed files with 1 additions and 0 deletions
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usr.bin/make/make.1
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@ -928,6 +928,7 @@ or
.Dq defined
expression is applied to it, depending on the form of the conditional.
If the form is
.Ql Ic .if ,
.Ql Ic .ifdef
or
.Ql Ic .ifndef ,