Index: prosper.cls
===================================================================
RCS file: /cvsroot/lib/tex/prosper/prosper.cls,v
retrieving revision 1.1.1.1
diff -c -r1.1.1.1 prosper.cls
*** prosper.cls	2001/05/12 01:21:22	1.1.1.1
--- prosper.cls	2001/07/16 23:48:55
***************
*** 30,38 ****
  
  \def\Prosper@Version{1.1}
  \NeedsTeXFormat{LaTeX2e}[1995/12/01]
! \ProvidesClass{prosper}[2001/01/23, v. \Prosper@Version]
  \typeout{(c) 2000 Frederic Goualard, CWI, The Netherlands}
  \typeout{CVSId: $Id: prosper.patch,v 1.3 2001/07/16 23:56:53 turtle Exp $}
  \typeout{ }
  
  \newif\ifDVItoPS
--- 30,39 ----
  
  \def\Prosper@Version{1.1}
  \NeedsTeXFormat{LaTeX2e}[1995/12/01]
! \ProvidesClass{prosper}[2001/07/16, v. \Prosper@Version (PMN patch)]
  \typeout{(c) 2000 Frederic Goualard, CWI, The Netherlands}
  \typeout{CVSId: $Id: prosper.patch,v 1.3 2001/07/16 23:56:53 turtle Exp $}
+ \typeout{Patched with bug fixes by Peter Møller Neergaard}
  \typeout{ }
  
  \newif\ifDVItoPS
***************
*** 198,204 ****
    \StepCounter{trueSlideCounter}
    \PDFtransition{#1}%
    \begin{slide@seminar}
!     \ifx#2@
      \else
         \@addBookmarkOnSlide{#2}
         \slidetitle{#2}
--- 199,206 ----
    \StepCounter{trueSlideCounter}
    \PDFtransition{#1}%
    \begin{slide@seminar}
!     \def\@tempa{#2}%
!     \ifx\@tempa\@empty
      \else
         \@addBookmarkOnSlide{#2}
         \slidetitle{#2}
***************
*** 225,231 ****
        \StepCounter{trueSlideCounter}
        \PDFtransition{#1}%
        \begin{slide@seminar}
!         \ifx#2@
          \else
            \@ifundefined{@okForBookmark}{%
              \gdef\@okForBookmark{}
--- 227,234 ----
        \StepCounter{trueSlideCounter}
        \PDFtransition{#1}%
        \begin{slide@seminar}
!         \def\@tempa{#2}%
!         \ifx\@tempa\@empty
          \else
            \@ifundefined{@okForBookmark}{%
              \gdef\@okForBookmark{}
***************
*** 238,243 ****
--- 241,247 ----
              \begin{raggedright}
              \@DefMyItem
              \ifinColor\@fontTextColor\else\@fontTextBW\fi
+             {\overlay{1}}%
    \fi    
    }{%
    \ifDVItoPS
***************
*** 395,401 ****
    \end{center}
    \clearpage \setcounter{page}{0}
    \fi
!   \begin{slide}{@}
      \ptsize{10}
      \begin{center}
      \@titleSpacing
--- 399,405 ----
    \end{center}
    \clearpage \setcounter{page}{0}
    \fi
!   \begin{slide}{}
      \ptsize{10}
      \begin{center}
      \@titleSpacing
***************
*** 446,565 ****
  % The stared version does not advance the position pointer and does not
  % interpret its argument (to be used for graphics and commands containing
  % PStricks links)
  \long\def\fromSlide{%
!   \@ifnextchar *\fromSlide@E\fromSlide@NE
! }
! \long\def\fromSlide@NE#1#2{%
    \ifDVItoPS
      \ifAccumulate
!       #2
      \fi
    \else
!     \ifnum#1>\value{overlaysCount}
!       {\overlay{1}#2}
      \else
!       #2
      \fi
    \fi
! }
  
! \long\def\fromSlide@E*#1#2{%
! \ifDVItoPS
      \ifAccumulate
!       #2
      \fi
! \else
!   \ifnum#1>\value{overlaysCount}
!     \relax
!   \else
!     #2
!   \fi
! \fi
! }
  
  \long\def\untilSlide{%
!   \@ifnextchar *\untilSlide@E\untilSlide@NE
! }
! \long\def\untilSlide@NE#1#2{%
! \ifDVItoPS
      \ifAccumulate
!       #2
      \fi
- \else
-   \ifnum#1<\value{overlaysCount}
-     {\overlay{1}#2}
    \else
!     #2
    \fi
! \fi
! }
! \long\def\untilSlide@E*#1#2{%
! \ifDVItoPS
      \ifAccumulate
!       #2
      \fi
! \else
!   \ifnum#1<\value{overlaysCount}
!     \relax
!   \else 
!     #2
    \fi
! \fi
! }
  
  \long\def\onlySlide{%
!   \@ifnextchar *\onlySlide@E\onlySlide@NE
! }
! \long\def\onlySlide@NE#1#2{%
! \ifDVItoPS
!     \ifAccumulate
!       #2
!     \fi
! \else
!   \ifnum#1=\value{overlaysCount}
!     #2
    \else
!     {\overlay{1}#2}
    \fi
! \fi
! }
! \long\def\onlySlide@E*#1#2{%
! \ifDVItoPS
      \ifAccumulate
!       #2
      \fi
! \else
!   \ifnum#1=\value{overlaysCount}
!     #2
    \fi
! \fi
! }
! 
  
  % FromSlide, OnlySlide, UntilSlide
  % Masks or not the following material. Advances the position pointer
  \newcommand{\FromSlide}[1]{%
  \ifDVItoPS
  \else
!   \ifnum#1>\value{overlaysCount}
!     \overlay{1}
    \fi
  \fi
  }
  \newcommand{\UntilSlide}[1]{%
  \ifDVItoPS
  \else
!   \ifnum#1<\value{overlaysCount}
!     \overlay{1}
    \fi
  \fi
  }
  \newcommand{\OnlySlide}[1]{%
  \ifDVItoPS
  \else
!   \ifnum#1=\value{overlaysCount}
    \else
!     \overlay{1}
    \fi
  \fi
  }
--- 450,581 ----
  % The stared version does not advance the position pointer and does not
  % interpret its argument (to be used for graphics and commands containing
  % PStricks links)
+ 
+ % The following uses some pstricks hackery to exclude material from a
+ % slide. We use pstricks' postscript commands to place material on
+ % slide one which will never be printed.
+ \long\def\@on@overlay@one#1{%
+   \pst@Verb{(1) BOL}{\ignorespaces #1}\pst@Verb{(\curr@overlay) BOL}}
+ % [2001/07/16] PMN: The grouping and \ignorespaces around the argument
+ %   is necessary for downwards compatibility.
+ %     \ignorespaces is as found in \overlays from seminar and
+ %     the grouping changes the spacing behavour in TeX.  
+ 
  \long\def\fromSlide{%
!   \@ifnextchar *\fromSlide@E\fromSlide@NE}
! \long\def\fromSlide@NE#1{%
!   \let\next\@gobble
    \ifDVItoPS
      \ifAccumulate
!       \let\next\@iden
      \fi
    \else
!     \ifnum#1>\value{overlaysCount}%
!       \let\next\@on@overlay@one
      \else
!       \let\next\@iden
      \fi
    \fi
!   \next}
  
! \long\def\fromSlide@E*#1{%
!   \let\next\@gobble
!   \ifDVItoPS
      \ifAccumulate
!       \let\next\@iden
      \fi
!     \else
!       \ifnum#1>\value{overlaysCount}%
!       \else
!         \let\next\@iden
!       \fi
!     \fi
!   \next}
  
  \long\def\untilSlide{%
!   \@ifnextchar *\untilSlide@E\untilSlide@NE}
! \long\def\untilSlide@NE#1{%
!   \let\next\@gobble
!   \ifDVItoPS
      \ifAccumulate
!       \let\next\@iden
      \fi
    \else
!     \ifnum#1<\value{overlaysCount}%
!       \let\next\@on@overlay@one
!     \else
!       \let\next\@iden
!     \fi
    \fi
!   \next}
! 
! \long\def\untilSlide@E*#1{%
!   \let\next\@gobble
!   \ifDVItoPS
      \ifAccumulate
!       \let\next\@iden
      \fi
!   \else
!     \ifnum#1<\value{overlaysCount}%
!     \else 
!       \let\next\@iden
!     \fi
    \fi
!   \next}
  
  \long\def\onlySlide{%
!   \@ifnextchar *\onlySlide@E\onlySlide@NE}
! \long\def\onlySlide@NE#1{%
!   \let\next\@gobble
!   \ifDVItoPS
!       \ifAccumulate
!         \let\next\@iden%
!       \fi
    \else
!     \ifnum#1=\value{overlaysCount}%
!       \let\next\@iden
!     \else
!       \let\next\@on@overlay@one%
!     \fi
    \fi
!   \next}
! \long\def\onlySlide@E*#1{%
!   \let\next\@gobble
!   \ifDVItoPS
      \ifAccumulate
!       \let\next\@iden
      \fi
!   \else
!     \ifnum#1=\value{overlaysCount}%
!       \let\next\@iden
!     \fi
    \fi
!   \next}
  
  % FromSlide, OnlySlide, UntilSlide
  % Masks or not the following material. Advances the position pointer
  \newcommand{\FromSlide}[1]{%
  \ifDVItoPS
  \else
!   \ifnum#1>\value{overlaysCount}%
!     \overlay{1}%
    \fi
  \fi
  }
  \newcommand{\UntilSlide}[1]{%
  \ifDVItoPS
  \else
!   \ifnum#1<\value{overlaysCount}%
!     \overlay{1}%
    \fi
  \fi
  }
  \newcommand{\OnlySlide}[1]{%
  \ifDVItoPS
  \else
!   \ifnum#1=\value{overlaysCount}%
    \else
!     \overlay{1}%
    \fi
  \fi
  }