Update runtime files.
diff --git a/runtime/doc/debugger.txt b/runtime/doc/debugger.txt
index 51a9cc9..7976395 100644
--- a/runtime/doc/debugger.txt
+++ b/runtime/doc/debugger.txt
@@ -1,4 +1,4 @@
-*debugger.txt* For Vim version 8.0. Last change: 2005 Mar 29
+*debugger.txt* For Vim version 8.0. Last change: 2017 Nov 21
VIM REFERENCE MANUAL by Gordon Prieur
@@ -95,10 +95,12 @@
XmNballoonEvalBackground, and XmNballoonEvalForeground).
The 'balloondelay' option sets the delay before an attempt is made to show a
balloon.
-The 'ballooneval' option needs to be set to switch it on.
+The 'ballooneval' and/or the 'balloonevalterm' option needs to be set to
+switch it on.
-Balloon evaluation is only available when compiled with the |+balloon_eval|
-feature.
+Balloon evaluation is only available in the GUI when compiled with the
+|+balloon_eval| feature. For the terminal the |+balloon_eval_term| feature
+matters.
The Balloon evaluation functions are also used to show a tooltip for the
toolbar. The 'ballooneval' option does not need to be set for this. But the