CONTRIBUTORS

--- a/CONTRIBUTORS	Fri Jun 29 19:53:15 2018 +0200
+++ b/CONTRIBUTORS	Fri Jun 29 20:11:17 2018 +0200
@@ -12,6 +12,10 @@
 * June 2018: Martin Baillon and Paulo Emílio de Vilhena
   A variety of contributions to HOL-Algebra.
 
+* May/June 2018: Makarius Wenzel
+  System infrastructure to export blobs as theory presentation, and to dump
+  PIDE database content in batch mode.
+
 * May 2018: Manuel Eberl
   Landau symbols and asymptotic equivalence (moved from the AFP).