Update runtime files.
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 21beaff..82e2093 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt* For Vim version 8.1. Last change: 2019 May 30
+*eval.txt* For Vim version 8.1. Last change: 2019 Jun 04
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -10334,6 +10334,8 @@
call win_execute(winid, 'set syntax=python')
< Doing the same with `setwinvar()` would not trigger
autocommands and not actually show syntax highlighting.
+ *E994*
+ Not all commands are allowed in popup windows.
win_findbuf({bufnr}) *win_findbuf()*
Returns a list with |window-ID|s for windows that contain
@@ -11578,7 +11580,7 @@
opposite of |:lockvar|.
-:if {expr1} *:if* *:endif* *:en* *E171* *E579* *E580*
+:if {expr1} *:if* *:end* *:endif* *:en* *E171* *E579* *E580*
:en[dif] Execute the commands until the next matching ":else"
or ":endif" if {expr1} evaluates to non-zero.