diff --git a/components/synedit/synhighlighterany.pas b/components/synedit/synhighlighterany.pas
index 96a374489e..da5f2cb5d9 100644
--- a/components/synedit/synhighlighterany.pas
+++ b/components/synedit/synhighlighterany.pas
@@ -771,6 +771,10 @@ end;
 procedure TSynAnySyn.UnknownProc;
 begin
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnKnown;
 end;
 
diff --git a/components/synedit/synhighlightercpp.pp b/components/synedit/synhighlightercpp.pp
index 42fb4bf569..5d80a9e2ce 100644
--- a/components/synedit/synhighlightercpp.pp
+++ b/components/synedit/synhighlightercpp.pp
@@ -1374,6 +1374,10 @@ end;
 procedure TSynCppSyn.UnknownProc;
 begin
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnknown;
 end;
 
diff --git a/components/synedit/synhighlightercss.pas b/components/synedit/synhighlightercss.pas
index 72f8273f42..06f9fa83b9 100644
--- a/components/synedit/synhighlightercss.pas
+++ b/components/synedit/synhighlightercss.pas
@@ -1615,6 +1615,10 @@ begin
   else
 {$ENDIF}
   Inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   FTokenID := tkUnknown;
 end;
 
diff --git a/components/synedit/synhighlighterjava.pas b/components/synedit/synhighlighterjava.pas
index 8bc14ce070..9831946077 100644
--- a/components/synedit/synhighlighterjava.pas
+++ b/components/synedit/synhighlighterjava.pas
@@ -1253,6 +1253,10 @@ begin
   else
 {$ENDIF}
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnknown;
 end;
 
diff --git a/components/synedit/synhighlighterjscript.pas b/components/synedit/synhighlighterjscript.pas
index 960008dfb4..a036ad2200 100644
--- a/components/synedit/synhighlighterjscript.pas
+++ b/components/synedit/synhighlighterjscript.pas
@@ -1734,6 +1734,10 @@ begin
   else
 {$ENDIF}
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnknown;
 end;
 
diff --git a/components/synedit/synhighlighterlfm.pas b/components/synedit/synhighlighterlfm.pas
index 06984382a7..ad574bf0bb 100644
--- a/components/synedit/synhighlighterlfm.pas
+++ b/components/synedit/synhighlighterlfm.pas
@@ -459,6 +459,10 @@ begin
   else
 {$ENDIF}
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnknown;
 end;
 
diff --git a/components/synedit/synhighlighterpas.pp b/components/synedit/synhighlighterpas.pp
index b75546c8f2..5457ede2fc 100644
--- a/components/synedit/synhighlighterpas.pp
+++ b/components/synedit/synhighlighterpas.pp
@@ -1745,7 +1745,8 @@ procedure TSynPasSyn.UnknownProc;
 begin
   inc(Run);
   {$IFDEF SYN_LAZARUS}
-  while (fLine[Run]>=#128) do inc(Run);
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
   {$ENDIF}
   fTokenID := tkUnknown;
 end;
diff --git a/components/synedit/synhighlighterperl.pas b/components/synedit/synhighlighterperl.pas
index c6234f61d3..52f06dcc16 100644
--- a/components/synedit/synhighlighterperl.pas
+++ b/components/synedit/synhighlighterperl.pas
@@ -2505,6 +2505,10 @@ begin
   else
 {$ENDIF}
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnknown;
 end;
 
diff --git a/components/synedit/synhighlighterphp.pas b/components/synedit/synhighlighterphp.pas
index 184f77e11d..1f197df888 100644
--- a/components/synedit/synhighlighterphp.pas
+++ b/components/synedit/synhighlighterphp.pas
@@ -1274,6 +1274,10 @@ end;
 procedure TSynPHPSyn.UnknownProc;
 begin
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnknown;
 end;
 
diff --git a/components/synedit/synhighlighterpython.pas b/components/synedit/synhighlighterpython.pas
index 8eac32b1f0..89d5eb78bc 100644
--- a/components/synedit/synhighlighterpython.pas
+++ b/components/synedit/synhighlighterpython.pas
@@ -1143,6 +1143,10 @@ end;
 procedure TSynPythonSyn.UnknownProc;
 begin
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnknown;
 end;
 
diff --git a/components/synedit/synhighlightersql.pas b/components/synedit/synhighlightersql.pas
index ad96d97d07..c6212b1abf 100644
--- a/components/synedit/synhighlightersql.pas
+++ b/components/synedit/synhighlightersql.pas
@@ -1358,12 +1358,16 @@ begin
     fTokenID := tkComment;
     fRange := rsComment;
   end else begin
-  {$IFDEF SYN_MBCSSUPPORT}
+    {$IFDEF SYN_MBCSSUPPORT}
     if FLine[Run] in LeadBytes then
       Inc(Run,2)
     else
-  {$ENDIF}
+    {$ENDIF}
     inc(Run);
+    {$IFDEF SYN_LAZARUS}
+    while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+     ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+    {$ENDIF}
     fTokenID := tkUnknown;
   end;
 end;
diff --git a/components/synedit/synhighlighterunixshellscript.pas b/components/synedit/synhighlighterunixshellscript.pas
index 113c8cf5c5..dbc1fad7de 100644
--- a/components/synedit/synhighlighterunixshellscript.pas
+++ b/components/synedit/synhighlighterunixshellscript.pas
@@ -663,6 +663,10 @@ end;
 procedure TSynUNIXShellScriptSyn.UnknownProc;
 begin
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnKnown;
 end;
 
diff --git a/components/synedit/synhighlightervb.pas b/components/synedit/synhighlightervb.pas
index 3495bb024b..2df2a216eb 100644
--- a/components/synedit/synhighlightervb.pas
+++ b/components/synedit/synhighlightervb.pas
@@ -1159,6 +1159,10 @@ begin
   else
 {$ENDIF}
   inc(Run);
+  {$IFDEF SYN_LAZARUS}
+  while (fLine[Run] in [#128..#191]) OR // continued utf8 subcode
+   ((fLine[Run]<>#0) and (fProcTable[fLine[Run]] = @UnknownProc)) do inc(Run);
+  {$ENDIF}
   fTokenID := tkUnknown;
 end;