EX, ///< Height of a small "x" for the current font.
EM, ///< Width of capital "M" in current font.
MU, ///< Math unit (18mu = 1em) for positioning in math mode
- PW, ///< Percent of columnwidth both "%" or "%c"
- PE, ///< FIXME
+ PW, ///< Percent of columnwidth
+ PE, ///< Percent of textwidth
PP, ///< Percent of pagewidth
PL, ///< Percent of linewidth
+ TH, ///< Percent of textheight // Herbert 2002-05-16
+ PH, ///< Percent of paperheight // Herbert 2002-05-16
UNIT_NONE ///< no unit
};