diff --git a/compiler/src/prog8/compiler/Compiler.kt b/compiler/src/prog8/compiler/Compiler.kt
index 7bffcecad..2665f08ea 100644
--- a/compiler/src/prog8/compiler/Compiler.kt
+++ b/compiler/src/prog8/compiler/Compiler.kt
@@ -248,8 +248,8 @@ private fun processAst(program: Program, errors: IErrorReporter, compilerOptions
     program.checkIdentifiers(errors, compilerOptions)
     errors.report()
     // TODO: turning char literals into UBYTEs via an encoding should really happen in code gen - but for that we'd need DataType.CHAR
-    // NOTE: we will then lose the opportunity to do constant-folding on any expression containing a char literal, but how often will those occur?
-    // Also they might be optimized away eventually in codegen or by the assembler even
+    //       ...but what do we gain from this? We can leave it as it is now: where a char literal is no more than syntactic sugar for an UBYTE value.
+    //       By introduction a CHAR dt, we will also lose the opportunity to do constant-folding on any expression containing a char literal.
     program.charLiteralsToUByteLiterals(compilerOptions.compTarget)
     program.constantFold(errors, compilerOptions.compTarget)
     errors.report()
diff --git a/compilerAst/src/prog8/parser/SourceCode.kt b/compilerAst/src/prog8/parser/SourceCode.kt
index 40dc5afdf..db452fe2d 100644
--- a/compilerAst/src/prog8/parser/SourceCode.kt
+++ b/compilerAst/src/prog8/parser/SourceCode.kt
@@ -151,14 +151,4 @@ sealed class SourceCode {
         override val origin: String = name
         override fun readText() = throw IOException("generated code nodes don't have a text representation")
     }
-
-    // TODO: possibly more, like fromURL(..)
-/*      // For `jar:..` URLs
-        // see https://stackoverflow.com/questions/22605666/java-access-files-in-jar-causes-java-nio-file-filesystemnotfoundexception
-        var url = URL("jar:file:/E:/x16/prog8(meisl)/compiler/build/libs/prog8compiler-7.0-BETA3-all.jar!/prog8lib/c64/textio.p8")
-        val uri = url.toURI()
-        val parts = uri.toString().split("!")
-        val fs = FileSystems.newFileSystem(URI.create(parts[0]), mutableMapOf(Pair("", "")) )
-        val path = fs.getPath(parts[1])
-*/
 }
diff --git a/docs/source/todo.rst b/docs/source/todo.rst
index 1da019f37..b35d8edd2 100644
--- a/docs/source/todo.rst
+++ b/docs/source/todo.rst
@@ -32,8 +32,7 @@ Future
   Perhaps replace all uses of .proc/.pend by .block/.bend will fix that?
   (but we lose the optimizing aspect of the assembler where it strips out unused code.
   There's not really a dynamic switch possible as all assembly lib code is static and uses one or the other)
-- introduce byte-index operator to avoid index multiplications in loops over arrays?
-  see https://www.reddit.com/r/programming/comments/alhj59/creating_a_programming_language_and_cross/eg898b9?utm_source=share&utm_medium=web2x&context=3
+- introduce byte-index operator to avoid index multiplications in loops over arrays? see github issue #4
 
 
 More code optimization ideas