diff --git a/LanguageMaster.xml b/LanguageMaster.xml
index 16a93528d..a860c4a81 100644
--- a/LanguageMaster.xml
+++ b/LanguageMaster.xml
@@ -1459,7 +1459,7 @@ Continue?</SubtitleAppendPrompt>
     <BeforeSpellCheck>Before spell check</BeforeSpellCheck>
     <SpellCheckChangedXToY>Spell check: Changed '{0}' to '{1}'</SpellCheckChangedXToY>
     <BeforeAddingTagX>Before adding &lt;{0}&gt; tag</BeforeAddingTagX>
-    <TagXAdded>&lt;{0}&gt; tags added</TagXAdded>
+    <TagXAdded>{0} tag added</TagXAdded>
     <LineXOfY>line {0} of {1}</LineXOfY>
     <XLinesSavedAsY>{0} lines saved as {1}</XLinesSavedAsY>
     <XLinesDeleted>{0} lines deleted</XLinesDeleted>
@@ -2362,6 +2362,7 @@ can edit in same subtitle file (collaboration)</Information>
     <MainTextBoxAutoBreakFromPosAndGoToNext>Break at first space from cursor position and go to next</MainTextBoxAutoBreakFromPosAndGoToNext>
     <MainTextBoxUnbreak>Unbreak text</MainTextBoxUnbreak>
     <MainTextBoxUnbreakNoSpace>Unbreak without space (CJK)</MainTextBoxUnbreakNoSpace>
+    <MainTextBoxAssaIntellisense>Show ASSA intellisense</MainTextBoxAssaIntellisense>
     <MainFileSaveAll>Save all</MainFileSaveAll>
     <Miscellaneous>Misc.</Miscellaneous>
     <CpsIncludesSpace>Chars/sec (CPS) includes spaces</CpsIncludesSpace>
diff --git a/src/Test/Logic/SubtitleFormats/SubtitleFormatsTest.cs b/src/Test/Logic/SubtitleFormats/SubtitleFormatsTest.cs
index 37eac9355..faceed72f 100644
--- a/src/Test/Logic/SubtitleFormats/SubtitleFormatsTest.cs
+++ b/src/Test/Logic/SubtitleFormats/SubtitleFormatsTest.cs
@@ -468,6 +468,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\i1}Italic{\i0}"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<i>Italic</i>";
             Assert.AreEqual(expected, actual);
@@ -479,6 +480,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\b1}Bold{\b0}"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<b>Bold</b>";
             Assert.AreEqual(expected, actual);
@@ -490,6 +492,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\u1}Underline{\u0}"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<u>Underline</u>";
             Assert.AreEqual(expected, actual);
@@ -501,6 +504,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\fs28}Font"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font size=\"28\">Font</font>";
             Assert.AreEqual(expected, actual);
@@ -512,6 +516,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\fs1}T{\fs2}E{\fs3}S{\fs4}T"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font size=\"1\">T</font><font size=\"2\">E</font><font size=\"3\">S</font><font size=\"4\">T</font>";
             Assert.AreEqual(expected, actual);
@@ -533,6 +538,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\fnArial}Font"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font face=\"Arial\">Font</font>";
             Assert.AreEqual(expected, actual);
@@ -544,6 +550,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\fnArial Bold}Font"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font face=\"Arial Bold\">Font</font>";
             Assert.AreEqual(expected, actual);
@@ -564,6 +571,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\fnArial}Font1{\fnTahoma}Font2"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font face=\"Arial\">Font1</font><font face=\"Tahoma\">Font2</font>";
             Assert.AreEqual(expected, actual);
@@ -575,6 +583,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\c&HFF&}Font"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font color=\"#ff0000\">Font</font>";
             Assert.AreEqual(expected, actual);
@@ -586,6 +595,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\c&HFF00&}Font"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font color=\"#00ff00\">Font</font>";
             Assert.AreEqual(expected, actual);
@@ -597,6 +607,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\c&HFF0000&}Font"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font color=\"#0000ff\">Font</font>";
             Assert.AreEqual(expected, actual);
@@ -608,6 +619,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\c&HFFFFFF&}Font"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font color=\"#ffffff\">Font</font>";
             Assert.AreEqual(expected, actual);
@@ -619,6 +631,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"start {\c&HFFFFFF&}Font end"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "start <font color=\"#ffffff\">Font end</font>";
             Assert.AreEqual(expected, actual);
@@ -630,6 +643,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"start {\1c&HFFFF00&\i1}CYAN{\i0}{\1c} end"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "start <font color=\"#00ffff\"><i>CYAN</i></font> end";
             Assert.AreEqual(expected, actual);
@@ -641,6 +655,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\i1\c&H00ffff&}Italic and color{\c}{\i0}"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             var actual = subtitle.Paragraphs[0].Text;
             const string expected = "<i><font color=\"#ffff00\">Italic and color</font></i>";
             Assert.AreEqual(expected, actual);
@@ -652,6 +667,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"start {\1c&HFFFF00&\i1}CYAN{\i0} end"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "start <font color=\"#00ffff\"><i>CYAN</i> end</font>";
             Assert.AreEqual(expected, actual);
@@ -663,6 +679,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"start {\fnFont Name}text1 {\fs10}text2{\fs}{\fn} {\1c&H112233}text3{\1c} text4 {\c&332211}text5{\c} end"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "start <font face=\"Font Name\">text1 <font size=\"10\">text2</font></font> <font color=\"#332211\">text3</font> text4 <font color=\"#112233\">text5</font> end";
             Assert.AreEqual(expected, actual);
@@ -674,6 +691,7 @@ Dialogue: 0,0:00:16.84,0:00:18.16,rechts,,0000,0000,0000,," + lineOneText;
             var target = new AdvancedSubStationAlpha();
             var subtitle = new Subtitle();
             target.LoadSubtitle(subtitle, GetAssLines(@"{\fnViner Hand ITC\fs28}Testing"), null);
+            target.RemoveNativeFormatting(subtitle, new SubRip());
             string actual = subtitle.Paragraphs[0].Text;
             const string expected = "<font face=\"Viner Hand ITC\" size=\"28\">Testing</font>";
             Assert.AreEqual(expected, actual);
@@ -1143,18 +1161,21 @@ Dialogue: Marked=0,0:00:01.00,0:00:03.00,Default,NTP,0000,0000,0000,!Effect," +
             subtitle.Paragraphs.Add(new Paragraph("Line 4", 12000, 15000));
 
             int expected = subtitle.Paragraphs.Count;
-            foreach (SubtitleFormat format in SubtitleFormat.AllSubtitleFormats)
+            foreach (var format in SubtitleFormat.AllSubtitleFormats)
             {
                 if (format.GetType() != typeof(JsonType6) && format.IsTextBased)
                 {
                     format.BatchMode = true;
-                    string text = format.ToText(subtitle, "test");
+                    var text = format.ToText(subtitle, "test");
                     var list = new List<string>();
-                    foreach (string line in text.Replace("\r\n", "\n").Split('\n'))
+                    foreach (var line in text.Replace("\r\n", "\n").Split('\n'))
+                    {
                         list.Add(line);
+                    }
+
                     var s2 = new Subtitle();
                     format.LoadSubtitle(s2, list, null);
-                    int actual = s2.Paragraphs.Count;
+                    var actual = s2.Paragraphs.Count;
                     Assert.AreEqual(expected, actual, format.FriendlyName);
                 }
             }
diff --git a/src/libse/SubtitleFormats/OgmChapters.cs b/src/libse/SubtitleFormats/OgmChapters.cs
index e319dc1ac..da94f59e8 100644
--- a/src/libse/SubtitleFormats/OgmChapters.cs
+++ b/src/libse/SubtitleFormats/OgmChapters.cs
@@ -29,7 +29,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
 
         private static string EncodeTimeCode(TimeCode time)
         {
-            return time.ToDisplayString().Replace(",", ".");
+            return time.ToString().Replace(",", ".");
         }
 
         public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
@@ -37,7 +37,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
             Paragraph p = null;
             subtitle.Paragraphs.Clear();
             _errorCount = 0;
-            foreach (string line in lines)
+            foreach (var line in lines)
             {
                 var s = line.Trim();
                 if (s.StartsWith("CHAPTER", StringComparison.Ordinal))
diff --git a/src/libse/SubtitleFormats/UnknownSubtitle101.cs b/src/libse/SubtitleFormats/UnknownSubtitle101.cs
index 143c38b38..2ab819699 100644
--- a/src/libse/SubtitleFormats/UnknownSubtitle101.cs
+++ b/src/libse/SubtitleFormats/UnknownSubtitle101.cs
@@ -40,8 +40,8 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
                     }
                 }
 
-                var start = p.StartTime.ToDisplayString().Replace(",", ".");
-                var end = p.EndTime.ToDisplayString().Replace(",", ".");
+                var start = p.StartTime.ToString().Replace(",", ".");
+                var end = p.EndTime.ToString().Replace(",", ".");
                 var text = HtmlUtil.RemoveHtmlTags(p.Text, true);
                 sb.AppendLine(string.Format(writeFormat, start, end, Environment.NewLine, text, count));
             }
diff --git a/src/ui/Logic/LanguageDeserializer.cs b/src/ui/Logic/LanguageDeserializer.cs
index c0dc16f33..0816c7e09 100644
--- a/src/ui/Logic/LanguageDeserializer.cs
+++ b/src/ui/Logic/LanguageDeserializer.cs
@@ -6496,6 +6496,9 @@ namespace Nikse.SubtitleEdit.Logic
                 case "Settings/MainTextBoxUnbreakNoSpace":
                     language.Settings.MainTextBoxUnbreakNoSpace = reader.Value;
                     break;
+                case "Settings/MainTextBoxAssaIntellisense":
+                    language.Settings.MainTextBoxAssaIntellisense = reader.Value;
+                    break;
                 case "Settings/MainFileSaveAll":
                     language.Settings.MainFileSaveAll = reader.Value;
                     break;