diff -r bed02fca80b5 -r 6f14ce796919 src/Doc/Implementation/ML.thy
--- a/src/Doc/Implementation/ML.thy	Sat Nov 05 14:35:40 2016 +0100
+++ b/src/Doc/Implementation/ML.thy	Sat Nov 05 14:48:31 2016 +0100
@@ -138,7 +138,7 @@
   @{ML_text foo1}, @{ML_text foo42}.
 \<close>
 
-paragraph\<open>Scopes.\<close>
+paragraph \<open>Scopes.\<close>
 text \<open>
   Apart from very basic library modules, ML structures are not ``opened'', but
   names are referenced with explicit qualification, as in @{ML