dockable with buttons for symbols, grouped and sorted in tabs according to ~~/etc/symbols;
search field for symbols
<?xml version="1.0"?>
<!DOCTYPE DOCKABLES SYSTEM "dockables.dtd">
<DOCKABLES>
<DOCKABLE NAME="isabelle-session" MOVABLE="TRUE">
new isabelle.jedit.Session_Dockable(view, position);
</DOCKABLE>
<DOCKABLE NAME="isabelle-syslog" MOVABLE="TRUE">
new isabelle.jedit.Syslog_Dockable(view, position);
</DOCKABLE>
<DOCKABLE NAME="isabelle-readme" MOVABLE="TRUE">
new isabelle.jedit.README_Dockable(view, position);
</DOCKABLE>
<DOCKABLE NAME="isabelle-output" MOVABLE="TRUE">
new isabelle.jedit.Output_Dockable(view, position);
</DOCKABLE>
<DOCKABLE NAME="isabelle-info" MOVABLE="TRUE">
new isabelle.jedit.Info_Dockable(view, position);
</DOCKABLE>
<DOCKABLE NAME="isabelle-graphview" MOVABLE="TRUE">
new isabelle.jedit.Graphview_Dockable(view, position);
</DOCKABLE>
<DOCKABLE NAME="isabelle-raw-output" MOVABLE="TRUE">
new isabelle.jedit.Raw_Output_Dockable(view, position);
</DOCKABLE>
<DOCKABLE NAME="isabelle-protocol" MOVABLE="TRUE">
new isabelle.jedit.Protocol_Dockable(view, position);
</DOCKABLE>
<DOCKABLE NAME="isabelle-symbols" MOVABLE="TRUE">
new isabelle.jedit.Symbols_Dockable(view, position);
</DOCKABLE>
</DOCKABLES>