Improved temp file cleanup for the XML content editor by using the  onbeforeunload event if possible.
Improved temp file cleanup for the XML content editor by using the 
onbeforeunload event if possible.
victos/opencms-core,alkacon/opencms-core,ggiudetti/opencms-core,victos/opencms-core,MenZil/opencms-core,mediaworx/opencms-core,victos/opencms-core,gallardo/opencms-core,ggiudetti/opencms-core,mediaworx/opencms-core,gallardo/opencms-core,alkacon/opencms-core,sbonoc/opencms-core,it-tavis/opencms-core,ggiudetti/opencms-core,gallardo/opencms-core,alkacon/opencms-core,MenZil/opencms-core,sbonoc/opencms-core,MenZil/opencms-core,mediaworx/opencms-core,mediaworx/opencms-core,gallardo/opencms-core,it-tavis/opencms-core,it-tavis/opencms-core,MenZil/opencms-core,it-tavis/opencms-core,victos/opencms-core,alkacon/opencms-core,ggiudetti/opencms-core,sbonoc/opencms-core,sbonoc/opencms-core