-LY_DEFINE (ly_input_message, "ly:input-message", 2, 0, 0, (SCM sip, SCM msg),
- "Print @var{msg} as a GNU compliant error message, pointing to the"
- "location in @var{sip}.\n")
+LY_DEFINE (ly_input_message, "ly:input-message", 2, 0, 1, (SCM sip, SCM msg, SCM rest),
+ "Print @var{msg} as a GNU compliant error message, pointing to the "
+ "location in @var{sip}. @var{msg} is interpreted similar to @code{format}'s argument\n")