+-- Appends a new tabbed option
+function AbstractSection.taboption(self, tab, ...)
+
+ assert(tab and self.tabs and self.tabs[tab],
+ "Cannot assign option to not existing tab %q" % tostring(tab))
+
+ local l = self.tabs[tab].childs
+ local o = AbstractSection.option(self, ...)
+
+ if o then l[#l+1] = o end
+
+ return o
+end
+
+-- Render a single tab
+function AbstractSection.render_tab(self, tab, ...)
+
+ assert(tab and self.tabs and self.tabs[tab],
+ "Cannot render not existing tab %q" % tostring(tab))
+
+ for _, node in ipairs(self.tabs[tab].childs) do
+ node:render(...)
+ end
+end
+