+@c FIXME: hack unbreakable thin spaces
+@macro qq{TEXT}
+@xml
+« \TEXT\ »
+@end xml
+@end macro
+@end ifdocbook
+
+@macro warning{TEXT}
+@quotation
+@quotation
+@cartouche
+@b{Note :} \TEXT\
+@end cartouche
+@end quotation
+@end quotation
+@end macro
+
+@ifnotinfo
+@macro notation{TEXT}
+@var{\TEXT\}
+@end macro
+@end ifnotinfo
+
+@ifinfo
+@macro notation{TEXT}
+\TEXT\
+@end macro
+@end ifinfo
+
+@macro smallspace
+@sp 1
+@end macro
+
+
+@c **** Displaying images not generated by lilypond-book
+
+@c current installation setup of Info docs requires that all images are
+@c expected to be found in lilypond/ subdirectory. lilypond-book already
+@c generates proper @image commands for images of music; these macros
+@c definitions do the same for other images.
+
+@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