message: elle.log.Send: Use `elle::print`.
diff: #include <elle/fwd.hh>
  -#include <elle/printf.hh>
  +#include <elle/print.hh>
  namespace elle
  {
  @@ -36,7 +36,7 @@ namespace elle
  try
  {
  this->_send(level, type, indent, component, file, line, function,
  - elle::sprintf(fmt, std::forward<Args>(args)...));
  + elle::print(fmt, std::forward<Args>(args)...));
  }
  // Catching ellipsis to avoid header dependencies. AFAICT only
  // elle::print can throw, and it only throws elle::Error.
  @@ -49,7 +49,7 @@ namespace elle
  __FILE__,
  __LINE__,
  ELLE_COMPILER_PRETTY_FUNCTION,
  - elle::sprintf("%s:%s: invalid log: %s", file, line, fmt)
  + elle::print("%s:%s: invalid log: %s", file, line, fmt)
  );
  if (debug)
  throw;
  