Editor: Animate automatic completed text.

This gives a clear hint that something has changed.
And gets the attention of the author in the case he didn't
expect some kind of automatic brace or quote completion.

Change-Id: I33e383db9a1e797ecb285a407e46671f41be7051
Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>

src/plugins/texteditor/texteditorsettings.cpp

@@ -118,6 +118,9 @@ TextEditorSettings::TextEditorSettings(QObject *parent)
     formatDescr.emplace_back(C_PARENTHESES_MISMATCH, tr("Mismatched Parentheses"),
                              tr("Displayed when mismatched parentheses, "
                                 "square brackets, or curly brackets are found."));
+    formatDescr.emplace_back(C_AUTOCOMPLETE, tr("Auto Complete"),
+                             tr("Displayed when a character is automatically inserted "
+                                "like brackets or quotes."));
     formatDescr.emplace_back(C_CURRENT_LINE, tr("Current Line"),
                              tr("Line where the cursor is placed in."),
                              FormatDescription::ShowBackgroundControl);