unobtrusively mark long lines in vim
extend LaTeX commands for plain TeX in vim
workaround Preview not updating files with open -g

- Preview doesn't update files that have changed on disk until it is
  brought to the foreground, which causes PDF files to not be updated
  when using the ,r mapping from TeX files in vim
- the fix involves bringing Preview to the foreground, waiting for a
  brief time, then activating Terminal using AppleScript