1 files changed, 58 insertions, 10 deletions
diff --git a/grapheps.txi b/grapheps.txi
index a889dd0..6e975ec 100644..100755
--- a/grapheps.txi
+++ b/grapheps.txi
@@ -3,7 +3,7 @@
 @noindent
 This is a graphing package creating encapsulated-PostScript files.
 Its motivations and design choice are described in
-@url{http://swiss.csail.mit.edu/~jaffer/Docupage/grapheps}
+@url{http://people.csail.mit.edu/jaffer/Docupage/grapheps}
 
 @noindent
 A dataset to be plotted is taken from a 2-dimensional array.
@@ -154,6 +154,34 @@ Five sided polygon
 Hollow circle
 @end table
 
+
+@defun plot-text-column array x-column y-column t-column proc3s
+
+Plots text in @var{t-column} of @var{array} at x coordinate in @var{x-column} of @var{array} and y coordinate
+@var{y-column} of @var{array}.  The symbol @var{proc3s} specifies the offset of the text from the
+specified coordinates.
+@end defun
+
+@noindent
+The offsets available are:
+
+@table @code
+@item above
+Draws the text centered above at the point.
+@item center
+Draws the text centered at the point.
+@item below
+Draws the text centered below the point.
+@item left
+Draws the text to the left of the point.
+@item right
+Draws the text to the right of the point.
+@end table
+
+All the offsets other than @code{center} are calculated to keep the
+text clear of a glyph drawn at the same coordinates.  If you need
+more or less clearance, use @code{set-glyphsize}.
+
 @node Graphics Context, Rectangles, Drawing the Graph, PostScript Graphing
 @subsubsection Graphics Context
 
@@ -175,13 +203,19 @@ grey value between black (0) and white (100).
 @end defun
 
 
-@defun set-font name fontheight
+@defun set-font font height
+
 
-@var{name} should be a (case-sensitive) string naming a PostScript font.
-@var{fontheight} should be a positive real number.
+@defunx set-font font encoding height
+@var{font} should be a (case-sensitive) string naming a PostScript font.
+@var{height} should be a positive real number.
+@var{encoding} should name a PostScript encoding such as
+@samp{ISOLatin1Encoding}.
 
-@code{set-font} Changes the current PostScript font to @var{name} with height equal to
-@var{fontheight}.  The default font is Helvetica (12pt).
+@code{set-font} Changes the current PostScript font to @var{font} with the @var{encoding}
+encoding, and height equal to @var{height}.  The default font is
+@samp{Helvetica} (12pt).  The default encoding is
+@samp{StandardEncoding}.
 @end defun
 
 @noindent
@@ -195,6 +229,14 @@ The base set of PostScript fonts is:
 @end multitable
 
 @noindent
+The base set of PostScript encodings is:
+
+@multitable @columnfractions .33 .33 .33
+@item StandardEncoding @tab ISOLatin1Encoding @tab ExpertEncoding
+@item ExpertSubsetEncoding @tab SymbolEncoding
+@end multitable
+
+@noindent
 Line parameters do no affect fonts; they do effect glyphs.
 
 
@@ -210,10 +252,12 @@ glyphsize for readable glyphs.
 
 Lines are drawn @var{j}-on @var{k}-off.
 
-@defunx set-linedash j
+@end defun
+@defun set-linedash j
 Lines are drawn @var{j}-on @var{j}-off.
 
-@defunx set-linedash
+@end defun
+@defun set-linedash
 Turns off dashing.
 @end defun
 
@@ -391,12 +435,16 @@ encapsulated PostScript graph of the function of one argument @var{func}
 over the range @var{x1} to @var{x2}.  If the optional integer argument @var{npts} is
 supplied, it specifies the number of points to evaluate @var{func} at.
 
-@defunx x1 x2 npts func1 func2 ...
+
+@end defun
+@defun plot x1 x2 npts func1 func2 @dots{}
 Creates and displays an encapsulated PostScript graph of the
 one-argument functions @var{func1}, @var{func2}, ... over the range
 @var{x1} to @var{x2} at @var{npts} points.
 
-@defunx plot coords x-label y-label
+
+@end defun
+@defun plot coords x-label y-label
 @var{coords} is a list or vector of coordinates, lists of x and y
 coordinates.  @var{x-label} and @var{y-label} are strings with which
 to label the x and y axes.