diff --git a/CodeCompletion/SymTable.cs b/CodeCompletion/SymTable.cs
index b8505773b..bc0b0e271 100644
--- a/CodeCompletion/SymTable.cs
+++ b/CodeCompletion/SymTable.cs
@@ -6762,10 +6762,16 @@ namespace CodeCompletion
         //private CompiledScope ret_type;
         
 
-        public CompiledMethodScope(SymInfo si, MethodInfo mi, CompiledScope declaringType)
+        public CompiledMethodScope(SymInfo si, MethodInfo mi, TypeScope declaringType)
         {
             this.si = si;
             this.mi = mi;
+            if (declaringType == TypeTable.string_type && mi.GetParameters().Length >= 1 && mi.GetParameters()[0].ParameterType.Name == "IEnumerable`1")
+            {
+                List<TypeScope> type_list = new List<TypeScope>();
+                type_list.Add(TypeTable.char_type);
+                declaringType = TypeTable.get_compiled_type(mi.GetParameters()[0].ParameterType.GetGenericTypeDefinition()).GetInstance(type_list);
+            }
             string[] args = declaringType.TemplateArguments;
             this.declaringType = declaringType;
             if (args != null)
diff --git a/Libraries/ICSharpCode.TextEditor.dll b/Libraries/ICSharpCode.TextEditor.dll
index 00cadd529..70cdf46b4 100644
Binary files a/Libraries/ICSharpCode.TextEditor.dll and b/Libraries/ICSharpCode.TextEditor.dll differ
diff --git a/ParserTools/ParserTools/DefaultLanguageInformation.cs b/ParserTools/ParserTools/DefaultLanguageInformation.cs
index 4327802fc..6c24d6392 100644
--- a/ParserTools/ParserTools/DefaultLanguageInformation.cs
+++ b/ParserTools/ParserTools/DefaultLanguageInformation.cs
@@ -1836,6 +1836,7 @@ namespace PascalABCCompiler.Parsers
                             }
                         }
                     }
+                    
                     else
                         sb.Append(tt[i].Name);
                     if (i < tt.Length - 1) sb.Append(',');
diff --git a/TestSuite/intellisense_tests/generics7.pas b/TestSuite/intellisense_tests/generics7.pas
new file mode 100644
index 000000000..bd560323b
--- /dev/null
+++ b/TestSuite/intellisense_tests/generics7.pas
@@ -0,0 +1,3 @@
+begin
+  ''.Select{@(расширение sequence of T) function Select<char,TResult>(selector: char->TResult): sequence of TResult;@}(x->Ord(x));
+end.
\ No newline at end of file