diff -r 7611c55c39d0 -r 50f956a1ac3f src/Tools/jEdit/src/plugin.scala
--- a/src/Tools/jEdit/src/plugin.scala	Wed Mar 15 21:52:04 2017 +0100
+++ b/src/Tools/jEdit/src/plugin.scala	Thu Mar 16 11:25:09 2017 +0100
@@ -415,7 +415,7 @@
 
     // adhoc patch of confusing message
     val orig_plugin_error = jEdit.getProperty("plugin-error.start-error")
-    jEdit.setProperty("plugin-error.start-error", "Cannot start plugin:\n{0}")
+    jEdit.setProperty("plugin-error.start-error", "Cannot start plugin: {0}")
 
     init_options()
     init_resources()