Calc is an advanced desk calculator and mathematical tool written in
Emacs Lisp. Its documentation is in a separate manual; within Emacs,
-type "C-h i m calc RET" to read that manual.
+type "C-h i m calc RET" to read that manual. A reference card is
+available in `etc/calccard.tex' and `etc/calccard.ps'.
*** The ruler-mode.el library provides a minor mode for displaying an
"active" ruler in the header line. You can use the mouse to visually