possibly OCR? EDIT: Possibly from the photocopy of this LaTeX document? http://www.lysator.liu.se/mit-guide/MITLockGuide.pdf http://www.lysator.liu.se/mit-gui

possibly OCR? EDIT: Possibly from the photocopy of this LaTeX document? http://www.lysator.liu.se/mit-guide/MITLockGuide.pdf http://www.lysator.liu.se/mit-guide/MITLockGuide.pdf