Index: openacs-4/packages/acs-tcl/tcl/apm-xml-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/apm-xml-procs.tcl,v
diff -u -r1.33 -r1.33.2.1
--- openacs-4/packages/acs-tcl/tcl/apm-xml-procs.tcl	25 Jul 2018 01:39:50 -0000	1.33
+++ openacs-4/packages/acs-tcl/tcl/apm-xml-procs.tcl	1 Mar 2019 12:07:23 -0000	1.33.2.1
@@ -62,7 +62,7 @@
     db_1row package_version_select {}
 
     apm_log APMDebug "APM: Writing Package Specification for $pretty_name $version_name"
-    set auto_mount_tag [ad_decode $auto_mount "" "" "<auto-mount>$auto_mount</auto-mount>\n"]
+    set auto_mount_tag [expr {$auto_mount ne "" ? "<auto-mount>$auto_mount</auto-mount>\n" : ""}]
     append spec "<?xml version=\"1.0\"?>
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