For each link given as http://, verify that the site is accessible over https:// and, if so, switch to it. These domains were converted: * llvm.org * clang.llvm.org * en.cppreference.com * www.dxx-rebirth.com * www.libsdl.org * www.scons.org
Add format(printf,...) annotation to varargs functions to move format string checking up one level.
Remove artificial length limit on input. Enable multi-line display of input.
