- debsec: fix tabbing (Closes: #354737).
- debbugs: updated search options.
new elvi:
- ixquick (Thanks to Aparna Jaitly).
- ctan.
- fsfdir.
- gutenberg.
- wayback.
Makefile.include: change sed invocation to work with both old and new
    make(1).
debian/rules install: remove spurious mkdir.
debian/{prerm,postinst}: add #DEBHELPER# tokens.
Switch to debhelper compat level 4.
HACKING: corrected appendix 1.