[ Guillem Jover ]
* Perl modules:
- Dpkg::Changelog::Entry::Debian: Remove obsolete /o modifier from regex.
- Dpkg::Changelog: Remove useless escaping for -.
* Make fragments:
- Revert "scripts/mk: Reduce the number of subprocesses". Closes: #1076904, #1077005
* Build system:
- Do not define macros for C/C++ standard level.
- Use pre-defined macros to check C/C++ conformance requirements.
- Fix length for comment bar line after autoconf functions.
- Fix dpkg_cv_c99 assignment in DPKG_C_C99 macro.
- Simplify C standard check output.