diff --git a/src/Tools/jEdit/etc/options b/src/Tools/jEdit/etc/options
--- a/src/Tools/jEdit/etc/options
+++ b/src/Tools/jEdit/etc/options
@@ -1,167 +1,169 @@
 (* :mode=isabelle-options: *)
 
 public option jedit_logic : string = ""
   -- "default logic session"
 
 public option jedit_print_mode : string = ""
   -- "default print modes for output, separated by commas (change requires restart)"
 
 public option jedit_auto_resolve : bool = false
   -- "automatically resolve auxiliary files within the document model"
 
 public option jedit_reset_font_size : int = 18
   -- "reset main text font size"
 
 public option jedit_font_scale : real = 1.0
   -- "scale factor of add-on panels wrt. main text font"
 
 public option jedit_popup_font_scale : real = 0.85
   -- "scale factor of popups wrt. main text font"
 
 public option jedit_popup_bounds : real = 0.5
   -- "relative bounds of popup window wrt. logical screen size"
 
 public option jedit_tooltip_delay : real = 0.75
   -- "open/close delay for document tooltips (seconds)"
 
 public option jedit_tooltip_margin : int = 60
   -- "margin for tooltip pretty-printing"
 
 public option jedit_structure_limit : int = 1000
   -- "maximum number of lines to scan for language structure"
 
 public option jedit_symbols_search_limit : int = 50
   -- "maximum number of symbols in search result"
 
 public option jedit_timing_threshold : real = 0.1
   -- "default threshold for timing display (seconds)"
 
 public option jedit_text_overview : bool = true
   -- "paint text overview column"
 
 public option jedit_focus_modifier : string = "CS"
   -- "keyboard modifier to enable entity focus regardless of def visibility"
 
 public option jedit_toggle_full_screen : bool = false
   -- "use original jEdit action toggle-full-screen instead of Isabelle/jEdit variant"
 
 public option isabelle_fonts_hinted : bool = true
   -- "use hinted Isabelle DejaVu fonts (change requires restart)"
 
 
 section "Indentation"
 
 public option jedit_indent_input : bool = true
   -- "indentation of Isabelle keywords after input (typed character or completion)"
 
 public option jedit_indent_newline : bool = true
   -- "indentation of Isabelle keywords on ENTER (action isabelle.newline)"
 
 public option jedit_indent_script : bool = true
   -- "indent unstructured proof script ('apply' etc.) via number of subgoals"
 
 public option jedit_indent_script_limit : int = 20
   -- "maximum indentation of unstructured proof script ('apply' etc.)"
 
 
 section "Completion"
 
 public option jedit_completion : bool = true
   -- "enable completion popup"
 
 public option jedit_completion_select_enter : bool = false
   -- "select completion item via ENTER"
 
 public option jedit_completion_select_tab : bool = true
   -- "select completion item via TAB"
 
 public option jedit_completion_context : bool = true
   -- "use semantic language context for completion"
 
 public option jedit_completion_delay : real = 0.5
   -- "delay for completion popup (seconds)"
 
 public option jedit_completion_immediate : bool = true
   -- "insert uniquely completed abbreviation immediately into buffer"
 
 
 section "Rendering of Document Content"
 
 option outdated_color : string = "EEE3E3FF"
 option unprocessed_color : string = "FFA0A0FF"
 option unprocessed1_color : string = "FFA0A032"
 option running_color : string = "610061FF"
 option running1_color : string = "61006164"
 option bullet_color : string = "000000FF"
 option tooltip_color : string = "FFFFE9FF"
 option writeln_color : string = "C0C0C0FF"
 option information_color : string = "C1DFEEFF"
 option warning_color : string = "FF8C00FF"
 option legacy_color : string = "FF8C00FF"
 option error_color : string = "B22222FF"
+option ok_color : string = "000000FF"
+option failed_color : string = "B22222FF"
 option writeln_message_color : string = "F0F0F0FF"
 option information_message_color : string = "DCEAF3FF"
 option tracing_message_color : string = "F0F8FFFF"
 option warning_message_color : string = "EEE8AAFF"
 option legacy_message_color : string = "EEE8AAFF"
 option error_message_color : string = "FFC1C1FF"
 option spell_checker_color : string = "0000FFFF"
 option bad_color : string = "FF6A6A64"
 option canceled_color : string = "FF6A6A64"
 option intensify_color : string = "FFCC6664"
 option entity_color : string = "CCD9FF80"
 option entity_ref_color : string = "800080FF"
 option breakpoint_disabled_color : string = "CCCC0080"
 option breakpoint_enabled_color : string = "FF9966FF"
 option quoted_color : string = "8B8B8B19"
 option antiquoted_color : string = "FFC83219"
 option antiquote_color : string = "6600CCFF"
 option raw_text_color : string = "6600CCFF"
 option plain_text_color : string = "CC6600FF"
 option highlight_color : string = "50505032"
 option hyperlink_color : string = "000000FF"
 option active_color : string = "DCDCDCFF"
 option active_hover_color : string = "9DC75DFF"
 option active_result_color : string = "999966FF"
 option keyword1_color : string = "006699FF"
 option keyword2_color : string = "009966FF"
 option keyword3_color : string = "0099FFFF"
 option quasi_keyword_color : string = "9966FFFF"
 option improper_color : string = "FF5050FF"
 option operator_color : string = "323232FF"
 option comment1_color : string = "CC0000FF"
 option comment2_color : string = "FF8400FF"
 option comment3_color : string = "6600CCFF"
 option caret_debugger_color : string = "FF9966FF"
 option caret_invisible_color : string = "50000080"
 option completion_color : string = "0000FFFF"
 option search_color : string = "66FFFF64"
 
 option tfree_color : string = "A020F0FF"
 option tvar_color : string = "A020F0FF"
 option free_color : string = "0000FFFF"
 option skolem_color : string = "D2691EFF"
 option bound_color : string = "008000FF"
 option var_color : string = "00009BFF"
 option inner_numeral_color : string = "FF0000FF"
 option inner_quoted_color : string = "FF00CCFF"
 option inner_cartouche_color : string = "CC6600FF"
 option dynamic_color : string = "7BA428FF"
 option class_parameter_color : string = "D2691EFF"
 
 option markdown_bullet1_color : string = "DAFEDAFF"
 option markdown_bullet2_color : string = "FFF0CCFF"
 option markdown_bullet3_color : string = "E7E7FFFF"
 option markdown_bullet4_color : string = "FFE0F0FF"
 
 
 section "Icons"
 
 option tooltip_close_icon : string = "idea-icons/actions/closeHovered.png"
 option tooltip_detach_icon : string = "idea-icons/actions/nextfile.png"
 option gutter_information_icon : string = "idea-icons/general/balloonInformation.png"
 option gutter_warning_icon : string = "idea-icons/runConfigurations/testFailed.png"
 option gutter_legacy_icon : string = "idea-icons/general/balloonWarning.png"
 option gutter_error_icon : string = "idea-icons/runConfigurations/testError.png"
 option process_passive_icon : string = "idea-icons/process/step_passive.png"
 option process_active_icons : string = "idea-icons/process/step_1.png:idea-icons/process/step_2.png:idea-icons/process/step_3.png:idea-icons/process/step_4.png:idea-icons/process/step_5.png:idea-icons/process/step_6.png:idea-icons/process/step_7.png:idea-icons/process/step_8.png:idea-icons/process/step_9.png:idea-icons/process/step_10.png:idea-icons/process/step_11.png:idea-icons/process/step_12.png"
diff --git a/src/Tools/jEdit/src/theories_dockable.scala b/src/Tools/jEdit/src/theories_dockable.scala
--- a/src/Tools/jEdit/src/theories_dockable.scala
+++ b/src/Tools/jEdit/src/theories_dockable.scala
@@ -1,271 +1,275 @@
 /*  Title:      Tools/jEdit/src/theories_dockable.scala
     Author:     Makarius
 
 Dockable window for theories managed by prover.
 */
 
 package isabelle.jedit
 
 
 import isabelle._
 import isabelle.jedit_base.Dockable
 
 import scala.swing.{Button, TextArea, Label, ListView, Alignment,
   ScrollPane, Component, CheckBox, BorderPanel}
 import scala.swing.event.{ButtonClicked, MouseClicked, MouseMoved}
 
 import java.awt.{BorderLayout, Graphics2D, Color, Point, Dimension}
 import javax.swing.{JList, BorderFactory, UIManager}
 import javax.swing.border.{BevelBorder, SoftBevelBorder}
 
 import org.gjt.sp.jedit.{View, jEdit}
 
 
 class Theories_Dockable(view: View, position: String) extends Dockable(view, position)
 {
   /* status */
 
   private val status = new ListView(List.empty[Document.Node.Name]) {
     background =
     {
       // enforce default value
       val c = UIManager.getDefaults.getColor("Panel.background")
       new Color(c.getRed, c.getGreen, c.getBlue, c.getAlpha)
     }
     listenTo(mouse.clicks)
     listenTo(mouse.moves)
     reactions += {
       case MouseClicked(_, point, _, clicks, _) =>
         val index = peer.locationToIndex(point)
         if (index >= 0) {
           if (in_checkbox(peer.indexToLocation(index), point)) {
             if (clicks == 1) Document_Model.node_required(listData(index), toggle = true)
           }
           else if (clicks == 2) PIDE.editor.goto_file(true, view, listData(index).node)
         }
       case MouseMoved(_, point, _) =>
         val index = peer.locationToIndex(point)
         val index_location = peer.indexToLocation(index)
         if (index >= 0 && in_checkbox(index_location, point))
           tooltip = "Mark as required for continuous checking"
         else if (index >= 0 && in_label(index_location, point)) {
           val name = listData(index)
           val st = nodes_status.overall_node_status(name)
           tooltip =
             "theory " + quote(name.theory) +
               (if (st == Document_Status.Overall_Node_Status.ok) "" else " (" + st + ")")
         }
         else tooltip = null
     }
   }
   status.peer.setLayoutOrientation(JList.HORIZONTAL_WRAP)
   status.peer.setVisibleRowCount(0)
   status.selection.intervalMode = ListView.IntervalMode.Single
 
   set_content(new ScrollPane(status))
 
 
   /* controls */
 
   def phase_text(phase: Session.Phase): String = "Prover: " + phase.print
 
   private val session_phase = new Label(phase_text(PIDE.session.phase))
   session_phase.border = new SoftBevelBorder(BevelBorder.LOWERED)
   session_phase.tooltip = "Status of prover session"
 
   private def handle_phase(phase: Session.Phase): Unit =
   {
     GUI_Thread.require {}
     session_phase.text = " " + phase_text(phase) + " "
   }
 
   private val purge = new Button("Purge") {
     tooltip = "Restrict document model to theories required for open editor buffers"
     reactions += { case ButtonClicked(_) => PIDE.editor.purge() }
   }
 
   private val continuous_checking = new Isabelle.Continuous_Checking
   continuous_checking.focusable = false
 
   private val logic = JEdit_Sessions.logic_selector(PIDE.options, true)
 
   private val controls =
     Wrap_Panel(List(purge, continuous_checking, session_phase, logic))
 
   add(controls.peer, BorderLayout.NORTH)
 
 
   /* component state -- owned by GUI thread */
 
   private var nodes_status = Document_Status.Nodes_Status.empty
   private var nodes_required: Set[Document.Node.Name] = Document_Model.required_nodes()
 
   private def in(geometry: Option[(Point, Dimension)], loc0: Point, p: Point): Boolean =
     geometry match {
       case Some((loc, size)) =>
         loc0.x + loc.x <= p.x && p.x < loc0.x + size.width &&
         loc0.y + loc.y <= p.y && p.y < loc0.y + size.height
       case None => false
     }
 
   private def in_checkbox(loc0: Point, p: Point): Boolean =
     Node_Renderer_Component != null && in(Node_Renderer_Component.checkbox_geometry, loc0, p)
 
   private def in_label(loc0: Point, p: Point): Boolean =
     Node_Renderer_Component != null && in(Node_Renderer_Component.label_geometry, loc0, p)
 
 
   private object Node_Renderer_Component extends BorderPanel
   {
     opaque = true
     border = BorderFactory.createEmptyBorder(2, 2, 2, 2)
 
     var node_name = Document.Node.Name.empty
 
     var checkbox_geometry: Option[(Point, Dimension)] = None
     val checkbox = new CheckBox {
       opaque = false
       override def paintComponent(gfx: Graphics2D): Unit =
       {
         super.paintComponent(gfx)
         if (location != null && size != null)
           checkbox_geometry = Some((location, size))
       }
     }
 
     var label_geometry: Option[(Point, Dimension)] = None
     val label = new Label {
       background = view.getTextArea.getPainter.getBackground
       foreground = view.getTextArea.getPainter.getForeground
       opaque = false
       xAlignment = Alignment.Leading
 
       override def paintComponent(gfx: Graphics2D): Unit =
       {
         def paint_segment(x: Int, w: Int, color: Color): Unit =
         {
           gfx.setColor(color)
           gfx.fillRect(x, 0, w, size.height)
         }
 
         paint_segment(0, size.width, background)
         nodes_status.get(node_name) match {
           case Some(node_status) =>
             val segments =
               List(
                 (node_status.unprocessed, PIDE.options.color_value("unprocessed1_color")),
                 (node_status.running, PIDE.options.color_value("running_color")),
                 (node_status.warned, PIDE.options.color_value("warning_color")),
                 (node_status.failed, PIDE.options.color_value("error_color"))
               ).filter(_._1 > 0)
 
             segments.foldLeft(size.width - 2) {
               case (last, (n, color)) =>
                 val w = (n * ((size.width - 4) - segments.length) / node_status.total) max 4
                 paint_segment(last - w, w, color)
                 last - w - 1
               }
 
           case None =>
             paint_segment(0, size.width, PIDE.options.color_value("unprocessed1_color"))
         }
         super.paintComponent(gfx)
 
         if (location != null && size != null)
           label_geometry = Some((location, size))
       }
     }
 
     def label_border(name: Document.Node.Name): Unit =
     {
       val st = nodes_status.overall_node_status(name)
       val color =
-        if (st == Document_Status.Overall_Node_Status.failed)
-          PIDE.options.color_value("error_color")
-        else label.foreground
-      val thickness1 = if (st == Document_Status.Overall_Node_Status.pending) 1 else 2
-      val thickness2 = 3 - thickness1
+        st match {
+          case Document_Status.Overall_Node_Status.ok =>
+            PIDE.options.color_value("ok_color")
+          case Document_Status.Overall_Node_Status.failed =>
+            PIDE.options.color_value("failed_color")
+          case _ => label.foreground
+        }
+      val thickness1 = if (st == Document_Status.Overall_Node_Status.pending) 1 else 3
+      val thickness2 = 4 - thickness1
 
       label.border =
         BorderFactory.createCompoundBorder(
           BorderFactory.createLineBorder(color, thickness1),
           BorderFactory.createEmptyBorder(thickness2, thickness2, thickness2, thickness2))
     }
 
     layout(checkbox) = BorderPanel.Position.West
     layout(label) = BorderPanel.Position.Center
   }
 
   private class Node_Renderer extends ListView.Renderer[Document.Node.Name]
   {
     def componentFor(list: ListView[_ <: isabelle.Document.Node.Name], isSelected: Boolean,
       focused: Boolean, name: Document.Node.Name, index: Int): Component =
     {
       val component = Node_Renderer_Component
       component.node_name = name
       component.checkbox.selected = nodes_required.contains(name)
       component.label_border(name)
       component.label.text = name.theory_base_name
       component
     }
   }
   status.renderer = new Node_Renderer
 
   private def handle_update(
     domain: Option[Set[Document.Node.Name]] = None, trim: Boolean = false): Unit =
   {
     GUI_Thread.require {}
 
     val snapshot = PIDE.session.snapshot()
 
     val (nodes_status_changed, nodes_status1) =
       nodes_status.update(
         PIDE.resources, snapshot.state, snapshot.version, domain = domain, trim = trim)
 
     nodes_status = nodes_status1
     if (nodes_status_changed) {
       status.listData =
         (for {
           (name, node_status) <- nodes_status1.present.iterator
           if !node_status.is_suppressed && node_status.total > 0
         } yield name).toList
     }
   }
 
 
   /* main */
 
   private val main =
     Session.Consumer[Any](getClass.getName) {
       case phase: Session.Phase =>
         GUI_Thread.later { handle_phase(phase) }
 
       case _: Session.Global_Options =>
         GUI_Thread.later {
           continuous_checking.load()
           logic.load ()
           nodes_required = Document_Model.required_nodes()
           status.repaint()
         }
 
       case changed: Session.Commands_Changed =>
         GUI_Thread.later { handle_update(domain = Some(changed.nodes), trim = changed.assignment) }
     }
 
   override def init(): Unit =
   {
     PIDE.session.phase_changed += main
     PIDE.session.global_options += main
     PIDE.session.commands_changed += main
 
     handle_phase(PIDE.session.phase)
     handle_update()
   }
 
   override def exit(): Unit =
   {
     PIDE.session.phase_changed -= main
     PIDE.session.global_options -= main
     PIDE.session.commands_changed -= main
   }
 }