 initialize_sage_python_r_toolbar()
 
 initialize_latex_buttonbar = () ->
-    latexbar = make_bar("")
+    latexbar = make_bar()
     add_icon(latexbar, "<i class='fa fa-comment'></i>", "#comment", "Comment selected text")
 
     templates = ["Templates", "These templates come exclusively on top",

    add_menu(latexbar, templates)

    # TODO merge this with the usual text formatting toolbar, such that its list of actions is inserted here
    text = ["Format", "Text formatting",
            [
             ["<b>Bold</b>", "#bold"]

#

make_bar = (cls) ->
    cls ?= ""
    return $("<span class='btn-group #{cls}'></span>")

# this adds the content of a dropdown menu (basically, single or triple entries)
