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-rw-r--r--mandoc.130
1 files changed, 30 insertions, 0 deletions
diff --git a/mandoc.1 b/mandoc.1
index 128667b1..69be40ac 100644
--- a/mandoc.1
+++ b/mandoc.1
@@ -75,6 +75,11 @@ and for the
.Xr man 7
.Ic \&TH
macro.
+This can also be used to perform style checks according to the
+conventions of one operating system while running on a different
+operating system; see
+.Sx Style messages
+for details.
.It Fl K Ar encoding
Specify the input encoding.
The supported
@@ -743,6 +748,15 @@ option or
.Fl T Cm lint
output mode.
.Ss Style messages
+As indicated below, some style checks are only performed if a
+specific operating system name occurs in the arguments of the
+.Ic \&Os
+macro, of the
+.Fl Ios
+command line option, or, if neither are present, in the return value
+of the
+.Xr uname 3
+function.
.Bl -ohang
.It Sy "useless macro"
.Pq mdoc
@@ -763,6 +777,22 @@ macro that could be represented using
.Ic \&Fx ,
or
.Ic \&Dx .
+.It Sy "errnos out of order"
+.Pq mdoc, Nx
+The
+.Ic \&Er
+items in a
+.Ic \&Bl
+list are not in alphabetical order.
+.It Sy "duplicate errno"
+.Pq mdoc, Nx
+A
+.Ic \&Bl
+list contains two consecutive
+.Ic \&It
+entries describing the same
+.Ic \&Er
+number.
.It Sy "description line ends with a full stop"
.Pq mdoc
Do not use punctuation at the end of an