def getFontInfo(pdf):
    """Get a list of (pagenumber, fontname, fonttype, fontencoding) tuples,
    showing each font used on each page."""

def fontsJSON(pdf):
    """Return font information in JSON format."""

def removeFonts(pdf):
    """Remove all font data from a file."""

def copyFont(pdf, pdf2, r, pagenumber, fontname):
    """Copy the given font from the given page in the pdf PDF to every page in
    the pdf2 PDF. The new font is stored under its font name."""