Index: doc/papers/concurrency/.gitignore
===================================================================
--- doc/papers/concurrency/.gitignore	(revision b0c32da8d2956a86a73c0000c8f8110a5c0a64ba)
+++ doc/papers/concurrency/.gitignore	(revision 23c27039d154516f4cb778bd20b2ac74a513ba2e)
@@ -1,2 +1,3 @@
+# generated by latex
 build/*
 *.pdf