src/product/ex.hg.conf 1.17

Index: src/product/ex.hg.conf
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/product/ex.hg.conf,v
retrieving revision 1.16
retrieving revision 1.17
diff -b -B -U 4 -r1.16 -r1.17
--- src/product/ex.hg.conf	3 Jun 2009 00:34:11 -0000	1.16
+++ src/product/ex.hg.conf	27 Aug 2009 23:09:51 -0000	1.17
@@ -121,8 +121,13 @@
 # hosts.  The path to the include file is either absolute or relative to
 # the including file (*not* relative to the current direct directory).
 #   include ../cgi-bin-default/hg.conf
 
+# A delete directive can be used to delete previouly defined values.
+# this is useful in conjunction with include when an undefined
+# value has different meaning than an empty value:
+#   delete archivecentral.db [othervars ...]
+
 # Option to disable the "All Tables" query in the table browser.  Useful if
 # one wants to be restrictive about what tables can be seen.
 #   hgta.disableAllTables=yes