Update runtime files.
diff --git a/runtime/doc/if_tcl.txt b/runtime/doc/if_tcl.txt
index 4a5379d..e37dce9 100644
--- a/runtime/doc/if_tcl.txt
+++ b/runtime/doc/if_tcl.txt
@@ -1,4 +1,4 @@
-*if_tcl.txt* For Vim version 8.1. Last change: 2019 May 05
+*if_tcl.txt* For Vim version 8.1. Last change: 2019 Jul 21
VIM REFERENCE MANUAL by Ingo Wilken
@@ -30,7 +30,7 @@
is working: >
:tcl puts "Hello"
-:[range]tc[l] << {endmarker}
+:[range]tc[l] << [endmarker]
{script}
{endmarker}
Execute Tcl script {script}.
@@ -38,9 +38,11 @@
wasn't compiled in. To avoid errors, see
|script-here|.
-{endmarker} must NOT be preceded by any white space. If {endmarker} is
-omitted from after the "<<", a dot '.' must be used after {script}, like for
-the |:append| and |:insert| commands.
+The {endmarker} after {script} must NOT be preceded by any white space.
+
+If [endmarker] is omitted from after the "<<", a dot '.' must be used after
+{script}, like for the |:append| and |:insert| commands.
+
This form of the |:tcl| command is mainly useful for including tcl code in Vim
scripts.