* src/descriptors/dr_07.c:
  * src/descriptors/dr_08.c:
  * src/descriptors/dr_09.c:
  * src/descriptors/dr_0a.c:
  * misc/dr.xml: xml brief description of each descriptor to generate
    "misc/test_dr.c".
  * misc/dr.xsl: stylesheet used to generate "misc/test_dr.c".
  * misc/dr.dtd: DTD against which misc/dr.xml validates.
  * misc/test_dr.c: generated file.
  * misc/test_dr.h: macros used by misc/test_dr.c.
  * src/descriptors/dr.h: gathers all dr_*.h headers.