Rollup merge of #64318 - RalfJung:reference, r=ehuss

Centril · web-flow · commit 8dc16e8722cb · 2019-09-10T06:29:49.000+02:00
update reference r? @Centril
diff --git a/src/doc/reference b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 090c015f7939665866432c334957bd536c811870
+Subproject commit 1944efed35989ba57fa397c0724c4921310311fc
