--- ray/doc/ray.1	2008/04/30 22:00:28	1.14
+++ ray/doc/ray.1	2010/03/12 19:57:58	1.17
@@ -1,8 +1,8 @@
 .\" RCSid "$Id"
 .\" Print using the -ms macro package
-.DA 4/30/2008
+.DA 3/12/2010
 .LP
-.tl """Copyright \(co 2008 Regents, University of California
+.tl """Copyright \(co 2010 Regents, University of California
 .sp 2
 .TL
 The
@@ -491,7 +491,7 @@ a perfectly scattering medium (no absorption).
 The scattering eccentricity parameter will likewise override the global
 setting if it is present.
 Scattering eccentricity indicates how much scattered light favors the
-forward direction, as fit by the Heyney-Greenstein function:
+forward direction, as fit by the Henyey-Greenstein function:
 .DS
 P(theta) = (1 - g*g) / (1 + g*g - 2*g*cos(theta))^1.5
 .DE
@@ -1400,16 +1400,10 @@ converts a picture to and from simpler formats.
 Pictures may be displayed directly under X11 using the program
 .I ximage,
 or converted a standard image format.
-.I Ra_avs
-converts to and from AVS image format.
-.I Ra_pict
-converts to Macintosh 32-bit PICT2 format.
+.I Ra_bmp
+converts to and from Microsoft Bitmap images.
 .I Ra_ppm
 converts to and from Poskanzer Portable Pixmap formats.
-.I Ra_pr
-converts to and from Sun 8-bit rasterfile format.
-.I Ra_pr24
-converts to and from Sun 24-bit rasterfile format.
 .I Ra_ps
 converts to PostScript color and greyscale formats.
 .I Ra_rgbe