patch 8.2.0578: heredoc for interfaces does not support "trim"
Problem: Heredoc for interfaces does not support "trim".
Solution: Update the script heredoc support to be same as the :let command.
(Yegappan Lakshmanan, closes #5916)
diff --git a/runtime/doc/if_tcl.txt b/runtime/doc/if_tcl.txt
index f7c0d6f..60ac6bc 100644
--- a/runtime/doc/if_tcl.txt
+++ b/runtime/doc/if_tcl.txt
@@ -30,7 +30,7 @@
is working: >
:tcl puts "Hello"
-:[range]tc[l] << [endmarker]
+:[range]tc[l] << [trim] [{endmarker}]
{script}
{endmarker}
Execute Tcl script {script}.
@@ -38,10 +38,9 @@
wasn't compiled in. To avoid errors, see
|script-here|.
-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.
+{script}, like for the |:append| and |:insert| commands. Refer to
+|:let-heredoc| for more information.
This form of the |:tcl| command is mainly useful for including tcl code in Vim
scripts.