$(registry:HKEY_LOCAL_MACHINE\SOFTWARE\TortoiseSVN@Directory)
$(registry:HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\TortoiseSVN@Directory)
$(registry:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\SubWCRev.exe)
$(registry:HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\App Paths\SubWCRev.exe)
$(TSVNDir)\bin\SubWCRev.exe
SubWCRev