Add options for set sign text

autoload/vebugger/std.vim

@@ -301,17 +301,19 @@ function! s:standardCloseHandlers.removeCurrentMarker(debugger) dict
     sign unplace 1
 endfunction
 
+let s:breakpoint_text = get(g:, 'vebugger_breakpoint_text', '->')
+let s:currentline_text = get(g:, 'vebugger_currentline_text', '**')
 
 if hlexists("DebuggedLine")
   sign define vebugger_current linehl=DebuggedLine
 else
-  sign define vebugger_current text=->
+  exe 'sign define vebugger_current text=' . s:currentline_text
 endif
 
 if hlexists('BreakPoint')
-    sign define vebugger_breakpoint text=** linehl=BreakPoint texthl=BreakPoint
+    exe 'sign define vebugger_breakpoint text=' . s:breakpoint_text . ' linehl=BreakPoint texthl=BreakPoint'
 else
-    sign define vebugger_breakpoint text=** linehl=ColorColumn texthl=ColorColumn
+    exe 'sign define vebugger_breakpoint text=' . s:breakpoint_text . ' linehl=ColorColumn texthl=ColorColumn'
 endif
 
 "Update all the marks(currently executed line and breakpoints) for a file

doc/vebugger.txt

@@ -110,6 +110,14 @@ Example: >
     let g:vebugger_view_source_cmd='edit'
 <
 
+If you want to change the sign text of current line and breakpoint, use
+*g:vebugger_breakpoint_text* and *g:vebugger_currentline_text*
+
+Example: >
+    let g:vebugger_breakpoint_text='->'
+    let g:vebugger_currentline_text='**'
+<
+
 Some debuggers (currently jdb only) may use vim tags to find required source
 files. This is disabled by default, to enable this set *g:vebugger_use_tags*
 option: