diff -r 16de2a9b5b3d -r a7cf464933f7 src/Pure/Tools/news.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/Tools/news.scala	Sat Jan 09 22:22:17 2016 +0100
@@ -0,0 +1,38 @@
+/*  Title:      Pure/Tools/news.scala
+    Author:     Makarius
+
+Support for the NEWS file.
+*/
+
+package isabelle
+
+
+object NEWS
+{
+  /* generate HTML version */
+
+  def generate_html()
+  {
+    val target = Path.explode("~~/doc")
+
+    File.write(target + Path.explode("NEWS.html"),
+      HTML.begin_document("NEWS") +
+      "\n<div class=\"source\">\n<pre class=\"source\">" +
+      HTML.output(Symbol.decode(File.read(Path.explode("~~/NEWS")))) +
+      "</pre>\n" +
+      HTML.end_document)
+
+    for (font <- Path.split(Isabelle_System.getenv_strict("ISABELLE_FONTS")))
+      File.copy(font, target)
+
+    File.copy(Path.explode("~~/etc/isabelle.css"), target)
+  }
+
+
+  /* command line entry point */
+
+  def main(args: Array[String])
+  {
+    Command_Line.tool0 { generate_html() }
+  }
+}