7 files changed, 7 insertions, 8 deletions
diff --git a/Master/texmf-dist/doc/latex/prerex/README b/Master/texmf-dist/doc/latex/prerex/README
index 1990c45cea0..9ba5b73693f 100644
--- a/Master/texmf-dist/doc/latex/prerex/README
+++ b/Master/texmf-dist/doc/latex/prerex/README
@@ -1,4 +1,4 @@
-prerex, version 2019-11-14. Macros for prerequisite charts, with
+prerex, version 2019-11-15. Macros for prerequisite charts, with
 associated editor and viewer applications.
 
 This package consists of 
@@ -19,9 +19,7 @@ is written in C and vprerex is written in C++ using the Qt-4
 or Qt-5 and poppler-qt libraries.
 
 See chart.{pdf,svg} for a small example of a prerequisite
-chart and real-life examples at
-
-http://www.cs.queensu.ca/students/undergraduate/prerequisites/
+chart.
 
 Prerequisite charts are useful to students selecting courses and
 planning their programs, and to faculty and staff advising students
@@ -71,8 +69,8 @@ of course boxes. When a course box is moved, the arrows into and out
 of it automatically follow. To install on most Unix-like platforms,
 including OS-X and Cygwin on Windows:
 
-  tar zxvf prerex-6.5.4.tar.gz
-  cd prerex-6.5.4
+  tar zxvf prerex-6.8.0.tar.gz
+  cd prerex-6.8.0
   ./configure  [--prefix=$HOME]
   make
   make install  (as root if necessary)
diff --git a/Master/texmf-dist/doc/latex/prerex/prerex-6.5.4.tar.gz b/Master/texmf-dist/doc/latex/prerex/prerex-6.5.4.tar.gz
deleted file mode 100644
index 09d6a8d7dbc..00000000000
--- a/Master/texmf-dist/doc/latex/prerex/prerex-6.5.4.tar.gz
+++ /dev/null
diff --git a/Master/texmf-dist/doc/latex/prerex/prerex-6.8.0.tar.gz b/Master/texmf-dist/doc/latex/prerex/prerex-6.8.0.tar.gz
new file mode 100644
index 00000000000..375757f63e8
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/prerex/prerex-6.8.0.tar.gz
diff --git a/Master/texmf-dist/doc/latex/prerex/prerex.pdf b/Master/texmf-dist/doc/latex/prerex/prerex.pdf
index eb1e4829901..4126408f20a 100644
--- a/Master/texmf-dist/doc/latex/prerex/prerex.pdf
+++ b/Master/texmf-dist/doc/latex/prerex/prerex.pdf
diff --git a/Master/texmf-dist/doc/latex/prerex/prerex.sty.7 b/Master/texmf-dist/doc/latex/prerex/prerex.sty.7
index 47a4dacd2d1..a036c70c205 100644
--- a/Master/texmf-dist/doc/latex/prerex/prerex.sty.7
+++ b/Master/texmf-dist/doc/latex/prerex/prerex.sty.7
@@ -191,7 +191,7 @@ is an integer in the range 0-100 specifying the desired curvature; for example,
 .IR c= 0
 will produce a 
 .I straight 
-arrow. To change the default curvature, the user program may redefine the
+arrow. Negative curvatures are also allowed. To change the default curvature, the user program may redefine the
 .B \eDefaultCurvature
 command.
 .SH WEB LINKS
diff --git a/Master/texmf-dist/doc/latex/prerex/prerex.sty.7.pdf b/Master/texmf-dist/doc/latex/prerex/prerex.sty.7.pdf
index 863e484b140..dc3ebc0029d 100644
--- a/Master/texmf-dist/doc/latex/prerex/prerex.sty.7.pdf
+++ b/Master/texmf-dist/doc/latex/prerex/prerex.sty.7.pdf
diff --git a/Master/texmf-dist/doc/latex/prerex/prerex.tex b/Master/texmf-dist/doc/latex/prerex/prerex.tex
index a83d1ba605b..d46f17a8afc 100644
--- a/Master/texmf-dist/doc/latex/prerex/prerex.tex
+++ b/Master/texmf-dist/doc/latex/prerex/prerex.tex
@@ -240,7 +240,8 @@ is an integer in the range $0$--$100$ specifying the desired curvature; for exam
 $c= 0$
 will produce a 
 straight 
-arrow. To change the default curvature for all arrows, the user program may redefine the
+arrow. Negative curvatures are also allowed.
+To change the default curvature for all arrows, the user program may redefine the
 \verb|\DefaultCurvature|
 command.
 \subsection{Web Links}