message: COMP: Use attributtes to avoid clobbering external tools
diff: .git* export-ignore
  # Custom attribute to mark sources as using our C++/C code style.
  [attr]our-c-style whitespace=tab-in-indent,no-lf-at-eof hooks.style=KWStyle,clangformat,uncrustify
  -[attr]ignore-style
  *.c our-c-style
  # ExternalData content links must have LF newlines
  *.md5 crlf=input
  -
  -# Put exclusions last so that when more than one pattern matches the path, a
  -# later line overrides an earlier line. This overriding is done per attribute.
  -utilities/lp_solve/** ignore-style
  -utilities/gengetopt/** ignore-style
  