+help::
+ @echo " WARNING: The Ardour Scons build script must be run before "
+ @echo " building the manual. "
+ @echo
+ @echo " The Following is a list of supported build targets:"
+ @echo
+ @echo " html:"
+ @echo " Build HTML version of ardour manual."
+ @echo
+ @echo " test:"
+ @echo " Validate DocBook XML source."
+ @echo
+ @echo " format:"
+ @echo " Format DocBook XML source using xmlformat."
+ @echo
+ @echo " clean:"
+ @echo " Remove temporary files."
+ @echo
+