Document 'backtracking' in the MASKED PACKAGES section.

svn path=/main/trunk/; revision=14557

diff --git a/man/emerge.1 b/man/emerge.1
index 6465b58d0a11eb8b15b0525cb74c293926ccb90b..4e33573de2f86cc7f9300e58a06671781d614761 100644 (file)
--- a/man/emerge.1
+++ b/man/emerge.1
@@ -653,6 +653,13 @@ to find out how to unmask in various cases.  Also note that if you give
 \fBemerge\fR an ebuild, then all forms of masking will be ignored and
 \fBemerge\fR will attempt to emerge the package.
 .TP
+.BR backtracking
+When packages are masked for \fBbacktracking\fR, it means that the dependency
+resolver has temporarily masked them in order to avoid dependency conflicts
+and/or unsatisfied dependencies. This type of mask is typically accompanied
+by a message about a missed package update which has been skipped in order to
+avoid dependency conflicts and/or unsatisfied dependencies.
+.TP
 .BR package.mask
 The \fBpackage.mask\fR file primarily blocks the use of packages that cause
 problems or are known to have issues on different systems.  It resides in