Index: openacs-4/packages/xowiki/tcl/yui-init.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/yui-init.tcl,v
diff -u -N -r1.2.2.2 -r1.2.2.3
--- openacs-4/packages/xowiki/tcl/yui-init.tcl	15 Oct 2020 06:38:00 -0000	1.2.2.2
+++ openacs-4/packages/xowiki/tcl/yui-init.tcl	31 Jan 2022 18:38:28 -0000	1.2.2.3
@@ -3,17 +3,17 @@
 #
 
 set YUI_CSS_PATHS {
-    assets/skins/sam/skin
-    base/base
-    button/assets/skins/sam/button
-    container/assets/container
-    datatable/assets/skins/sam/datatable
-    fonts/fonts-min
-    grids/grids
-    menu/assets/skins/sam/menu
-    reset/reset
-    reset-fonts-grids/reset-fonts-grids
-    treeview/assets/skins/sam/treeview
+  assets/skins/sam/skin
+  base/base
+  button/assets/skins/sam/button
+  container/assets/container
+  datatable/assets/skins/sam/datatable
+  fonts/fonts-min
+  grids/grids
+  menu/assets/skins/sam/menu
+  reset/reset
+  reset-fonts-grids/reset-fonts-grids
+  treeview/assets/skins/sam/treeview
 }
 
 #
@@ -37,7 +37,31 @@
   yahoo/yahoo-min
 }
 
+if {0} {
+  #
+  # Downloading YUI files is cumbersome. Therefore this small helper
+  # that maybe someone else finds helpful if there is some more
+  # updates (which is not highly likely).
+  #
+  # see: https://cdnjs.com/libraries/yui/2.9.0
+  #
+  set version 2.9.0
+  set root /usr/local/oacs-5-10/openacs-4/packages/ajaxhelper/www/resources/yui-2.9.0
+  foreach path $YUI_CSS_PATHS {
+    set dir $root/[file join {*}[lrange [file split $path] 0 end-1]]
+    file mkdir $dir
+    exec wget -q -P $dir https://cdnjs.cloudflare.com/ajax/libs/yui/2.9.0/$path.css
+  }
 
+  foreach path $YUI_JS_PATHS {
+    set dir $root/[file join {*}[lrange [file split $path] 0 end-1]]
+    file mkdir $dir
+    exec wget -q -P $dir https://cdnjs.cloudflare.com/ajax/libs/yui/2.9.0/$path.js
+  }
+}
+
+
+
 #
 # The following asset files is up to my knowledge not available via CDN
 #
@@ -53,31 +77,41 @@
 
 if {[ad_file isdirectory $::acs::rootdir/packages/ajaxhelper/www/resources]} {
 
-    foreach path $YUI_CSS_PATHS {
-        template::register_urn \
-            -urn      urn:ad:css:yui2:$path \
-            -resource /resources/ajaxhelper/yui/$path.css
-    }
+  #
+  # In case, we have yui-2.9.0 then use it, otherwise stick to the old
+  # version.
+  #
+  if {[ad_file isdirectory $::acs::rootdir/packages/ajaxhelper/www/resources/yui-2.9.0]} {
+    set version yui-2.9.0
+  } else {
+    set version yui
+  }
 
-    foreach path $YUI_JS_PATHS {
-        template::register_urn \
-            -urn      urn:ad:js:yui2:$path \
-            -resource /resources/ajaxhelper/yui/$path.js
-    }
+  foreach path $YUI_CSS_PATHS {
+    template::register_urn \
+        -urn      urn:ad:css:yui2:$path \
+        -resource /resources/ajaxhelper/$version/$path.css
+  }
 
+  foreach path $YUI_JS_PATHS {
+    template::register_urn \
+        -urn      urn:ad:js:yui2:$path \
+        -resource /resources/ajaxhelper/$version/$path.js
+  }
+
 } else {
-    set version 2.7.0
-    foreach path $YUI_CSS_PATHS {
-        template::register_urn \
-            -urn      urn:ad:css:yui2:$path \
-            -resource //yui.yahooapis.com/$version/build/$path.css
-    }
+  set version 2.9.0
+  foreach path $YUI_CSS_PATHS {
+    template::register_urn \
+        -urn      urn:ad:css:yui2:$path \
+        -resource //cdnjs.cloudflare.com/ajax/libs/yui/$version/$path.css
+  }
 
-    foreach path $YUI_JS_PATHS {
-        template::register_urn \
-            -urn      urn:ad:js:yui2:$path \
-            -resource //yui.yahooapis.com/$version/build/$path.js
-    }
+  foreach path $YUI_JS_PATHS {
+    template::register_urn \
+        -urn      urn:ad:js:yui2:$path \
+        -resource //cdnjs.cloudflare.com/ajax/libs/yui/$version/$path.js
+  }
 }
 
 #