+@ifnotinfo
+@macro sourceimage{FILENAME,WIDTH,HEIGHT,ALTTEXT}
+@image{\FILENAME\,\WIDTH\,\HEIGHT\,\ALTTEXT\}
+@end macro
+@end ifnotinfo
+
+@ifinfo
+@macro sourceimage{FILENAME,WIDTH,HEIGHT,ALTTEXT}
+@image{lilypond/\FILENAME\,\WIDTH\,\HEIGHT\,\ALTTEXT\}
+@end macro
+@end ifinfo
+
+
+@c **** Headings in a doc subsection ****
+
+@macro predefined