saving uncommitted changes in /etc prior to emerge run

hsqldb/server.properties

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+# Hsqldb Server cfg file.
+# See the UNIX Quick Start and the Advanced Topics chapters
+# of the Hsqldb User Guide.
+
+server.database.0=file:/var/lib/hsqldb/db1
+server.urlid.0=localhost
+
+# Warning!
+# When running hsqldb in Server mode, for each additional database
+# the server.urlid.X entry must have a proper corresponding urlid
+# section in the 'sqltool.rc' file.
+# Otherwise you may have problems with shutting down the server.
+#
+# Note that each server can serve only up to 10 different
+# databases simultaneously (with consecutive {0-9} suffixes).
+
+# An example of additional database.
+#server.database.1=file:/var/lib/hsqldb/newdb/newdb
+#server.dbname.1=newdb
+#server.urlid.1=newdb