# HG changeset patch
# User wenzelm
# Date 1493893394 -7200
# Node ID b99b48eb46e5490f9dd8bde978ce0bc35e186490
# Parent  ddd6dfc28e80014a574e47e7592cbcb337ac2570
tuned;

diff -r ddd6dfc28e80 -r b99b48eb46e5 src/Pure/Admin/build_release.scala
--- a/src/Pure/Admin/build_release.scala	Thu May 04 12:15:50 2017 +0200
+++ b/src/Pure/Admin/build_release.scala	Thu May 04 12:23:14 2017 +0200
@@ -55,7 +55,7 @@
     val release_info =
     {
       val date = Date.now()
-      val name = if (release_name != "") release_name else "Isabelle_" + Date.Format.date(date)
+      val name = proper_string_default(release_name, "Isabelle_" + Date.Format.date(date))
       val dist_dir = base_dir + Path.explode("dist-" + name)
       val dist_archive = dist_dir + Path.explode(name + ".tar.gz")
       val dist_library_archive = dist_dir + Path.explode(name + "_library.tar.gz")