Index: openacs-4/packages/xowiki/tcl/tree-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/tree-procs.tcl,v
diff -u -N -r1.23.2.9 -r1.23.2.10
--- openacs-4/packages/xowiki/tcl/tree-procs.tcl	1 Feb 2021 10:41:29 -0000	1.23.2.9
+++ openacs-4/packages/xowiki/tcl/tree-procs.tcl	8 Apr 2021 20:11:09 -0000	1.23.2.10
@@ -551,7 +551,6 @@
   }
 
   TreeRenderer=bootstrap3 proc render {tree} {
-    if {${:verbose}} {:log "TreeRenderer=bootstrap3 p=[:info precedence]"}
     set jsTree [string trimright [next] ", \n"]
     set id [$tree id]
     set options ""
@@ -606,15 +605,15 @@
     set jsTree [string trimright [next] ", \n"]
     set id [$tree id]
     set options ""
+    # see list of possible icons: https://github.com/jonmiles/bootstrap-treeview
     lappend options \
-        "expandIcon: 'glyphicon glyphicon-folder-close'" \
+        "expandIcon: 'glyphicon glyphicon-none'" \
         "collapseIcon: 'glyphicon glyphicon-folder-open'" \
         "enableLinks: true"
     template::add_body_script -script "\n\$('#$id').treeview({data: \[$jsTree\], [join $options ,] });"
     return "<div id='$id'></div>"
   }
 
-
 }
 ::xo::library source_dependent
 
Index: openacs-4/packages/xowiki/www/resources/xowiki-bootstrap3-specific.css
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/www/resources/Attic/xowiki-bootstrap3-specific.css,v
diff -u -N -r1.1.2.8 -r1.1.2.9
--- openacs-4/packages/xowiki/www/resources/xowiki-bootstrap3-specific.css	18 Jan 2021 14:11:28 -0000	1.1.2.8
+++ openacs-4/packages/xowiki/www/resources/xowiki-bootstrap3-specific.css	8 Apr 2021 20:11:09 -0000	1.1.2.9
@@ -141,6 +141,13 @@
 }
 
 /*
+ * treeview styling (make indentation more compact)
+ */
+div.folders div.treeview span.indent {
+    margin-left: 4px;
+    margin-right: 4px;
+}
+/*
  * Local Variables:
  * mode: css
  * c-basic-offset: 4