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-rwxr-xr-xMaster/texmf/scripts/texlive/tlmgr.pl14
1 files changed, 12 insertions, 2 deletions
diff --git a/Master/texmf/scripts/texlive/tlmgr.pl b/Master/texmf/scripts/texlive/tlmgr.pl
index e575319a613..2dbc1e2f285 100755
--- a/Master/texmf/scripts/texlive/tlmgr.pl
+++ b/Master/texmf/scripts/texlive/tlmgr.pl
@@ -1069,8 +1069,18 @@ Do not ask for confirmation, remove immediately.
=item B<generate updmap>
-Generate language.dat, fmtutil.cnf, and updmap.cfg from a TLPDB and local
-additions
+B<WARNING> Using these option will overwrite any user changes done in
+the respective files. Please think twice before using it.
+
+These function regenerate the three config files language.dat, fmtutil.cnf,
+and updmap.cfg from the information present in the local TLPDB. If files
+language-local.dat, fmtutil-local.cnf, or updmap-local.cfg are present
+under TEMXFLOCAL in the respective directories stuff there will be
+simply merged into the final files. So be careful what to put there.
+
+Especially with updmap.cfg this function is dangerous because it will
+remove all maps which have been manually enabled (via updmap-sys --enable),
+so be careful.
B<Supported options>