Index: openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl,v
diff -u -N -r1.171 -r1.172
--- openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	2 Aug 2018 11:20:04 -0000	1.171
+++ openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	2 Aug 2018 13:11:39 -0000	1.172
@@ -4036,6 +4036,9 @@
 #   - prefix:        used for resolving the files on the server; might either point
 #                    to the CDN or to locally installed files (typically /resources/...)
 #
+# Optionally, the dict can contain more fields, like e.g. an urnMap for mapping
+# urls to resources (see e.g. openacs-bootstrap4-theme)
+#
 namespace eval util::resources {
 
     ad_proc -public ::util::resources::is_installed_locally {
Index: openacs-4/packages/openacs-bootstrap3-theme/tcl/apm-callback-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/openacs-bootstrap3-theme/tcl/apm-callback-procs.tcl,v
diff -u -N -r1.4 -r1.5
--- openacs-4/packages/openacs-bootstrap3-theme/tcl/apm-callback-procs.tcl	2 Aug 2018 12:41:42 -0000	1.4
+++ openacs-4/packages/openacs-bootstrap3-theme/tcl/apm-callback-procs.tcl	2 Aug 2018 13:11:39 -0000	1.5
@@ -53,9 +53,8 @@
 	    -list_filter_template filters \
 	    -dimensional_template dimensional \
 	    -resource_dir /packages/openacs-bootstrap3-theme/resources \
-            -streaming_head tabbed-streaming-head-turquois
+	    -streaming_head tabbed-streaming-head-turquois
     }
-
 }
 
 ad_proc -public openacs_bootstrap3_theme::apm::before_uninstall {} {
Index: openacs-4/packages/openacs-bootstrap3-theme/tcl/init-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/openacs-bootstrap3-theme/tcl/init-procs.tcl,v
diff -u -N -r1.2 -r1.3
--- openacs-4/packages/openacs-bootstrap3-theme/tcl/init-procs.tcl	2 Aug 2018 11:20:04 -0000	1.2
+++ openacs-4/packages/openacs-bootstrap3-theme/tcl/init-procs.tcl	2 Aug 2018 13:11:39 -0000	1.3
@@ -13,7 +13,7 @@
 	#
 	# Provide paths for loading either via resources or CDN
 	#
-	set resourceDir [acs_package_root_dir openacs-bootstrap3-theme/www/resources]/bootstrap
+	set resourceDir [acs_package_root_dir openacs-bootstrap3-theme/www/resources/bootstrap]
 	set resourceUrl /resources/openacs-bootstrap3-theme/bootstrap
 	set cdn         "//maxcdn.bootstrapcdn.com/bootstrap"
 	set version     $openacs_bootstrap3_theme::bootstrap_version
@@ -27,12 +27,17 @@
 	}
 
 	lappend result \
-	    cdn $cdn \
 	    resourceDir $resourceDir \
+	    cdn $cdn \
+	    cdnHost $cdnHost \
 	    prefix $prefix \
 	    cssFiles {css/bootstrap.min.css} \
 	    jsFiles  {js/bootstrap.min.js} \
-	    extraFiles {fonts/glyphicons-halflings-regular.woff fonts/glyphicons-halflings-regular.ttf}
+	    extraFiles {fonts/glyphicons-halflings-regular.woff fonts/glyphicons-halflings-regular.ttf} \
+	    urnMap {
+		urn:ad:css:bootstrap3 css/bootstrap.min.css
+		urn:ad:js:bootstrap3  js/bootstrap.min.js
+	    }
 
 	return $result
     }
Index: openacs-4/packages/openacs-bootstrap3-theme/tcl/resource-init.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/openacs-bootstrap3-theme/tcl/resource-init.tcl,v
diff -u -N -r1.1 -r1.2
--- openacs-4/packages/openacs-bootstrap3-theme/tcl/resource-init.tcl	2 Aug 2018 09:13:17 -0000	1.1
+++ openacs-4/packages/openacs-bootstrap3-theme/tcl/resource-init.tcl	2 Aug 2018 13:11:39 -0000	1.2
@@ -10,19 +10,10 @@
 #
 set resource_info [::openacs_bootstrap3_theme::resource_info]
 set prefix        [dict get $resource_info prefix]
-set regnames      {bootstrap.min.js bootstrap3 bootstrap.min.css bootstrap3}
 
-foreach file [concat \
-		  [dict get $resource_info cssFiles] \
-		  [dict get $resource_info jsFiles] \
-	     ] {
-    set fn [file tail $file]
-    if {[dict exists $regnames $fn]} {
-	set ext [string trimleft [file extension $fn] .]
-	template::register_urn \
-	    -urn urn:ad:${ext}:[dict get $regnames $fn] \
-	    -resource $prefix/$file
-    } else {
-	ns_log warning "openacs-bootstrap3_theme: not registering URN for $file"
-    }
+foreach urn [dict keys [dict get $resource_info urnMap]] {
+    ns_log notice "TEST -urn $urn -resource $prefix/[dict get $resource_info urnMap $urn]"
+    template::register_urn \
+	-urn $urn \
+	-resource $prefix/[dict get $resource_info urnMap $urn]
 }