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-rw-r--r--usr.sbin/portsnap/portsnap/portsnap.89
1 files changed, 9 insertions, 0 deletions
diff --git a/usr.sbin/portsnap/portsnap/portsnap.8 b/usr.sbin/portsnap/portsnap/portsnap.8
index 1d7a82b..9fe2dc7 100644
--- a/usr.sbin/portsnap/portsnap/portsnap.8
+++ b/usr.sbin/portsnap/portsnap/portsnap.8
@@ -50,6 +50,15 @@ of the
.Fx
ports tree, and extract and update an
uncompressed ports tree.
+.Pp
+In a normal update operation,
+.Nm
+will routinely restore modified files to their unmodified state and
+delete unrecognized local files.
+This behavior is different to
+.Xr cvs 1
+and
+.Xr cvsup 1 .
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