[NAnt-users] How to add quotas to line?

[Bonio L. <bon...@gm...>]

Dear all,
Following line
<fail unless="${property::exists('Loggers')}">Usage: nant set_log
-D:Loggers=&quote loger_names &quote"</fail>

Produces exception:
NAnt.Core.BuildException: C:\XXX\default.build(32,82):
Error loading buildfile. ---> System.Xml.XmlException: An error occurred
while parsing EntityName. L
ine 32, position 82.
   at System.Xml.XmlTextReaderImpl.Throw(Exception e)
   at System.Xml.XmlTextReaderImpl.Throw(String res, String arg)
   at System.Xml.XmlTextReaderImpl.ParseEntityName()
   at System.Xml.XmlTextReaderImpl.ParseEntityReference()
   at System.Xml.XmlTextReaderImpl.Read()
   at System.Xml.XmlLoader.LoadNode(Boolean skipOverWhitespace)
   at System.Xml.XmlLoader.LoadDocSequence(XmlDocument parentDoc)
   at System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean
preserveWhitespace)
   at System.Xml.XmlDocument.Load(XmlReader reader)
   at System.Xml.XmlDocument.Load(String filename)
   at NAnt.Core.Project.LoadBuildFile(String uriOrFilePath)
   --- End of inner exception stack trace ---
   at NAnt.Core.Project.LoadBuildFile(String uriOrFilePath)
   at NAnt.Core.Project..ctor(String uriOrFilePath, Level threshold, Int32
indentLevel)
   at NAnt.Core.ConsoleDriver.Main(String[] args)

Try 'nant -help' for more information
Any ideas?