{ Unit testing --latex-head option. Very long word: 
  unitfortestingoflatexheadoptionveryveryveryveryverylongword.

  Another very long word, this time it should be broken because of \hyphenation:
  anotherverylongwordthistimeitshouldbebrokenbecauseofhyphenation.
}

unit ok_latex_head;

interface

implementation

end.