Add todos

src/text_editor/buffer.cpp

@@ -131,7 +131,6 @@ Cursor ChangeFront(Cursor cursor, int64_t front) {
 void AddEdit(Array<Edit> *edits, Range range, String string) {
     edits->add({range, string});
 }
-// SortKey = range.min
 
 bool InBounds(const Buffer &buffer, int64_t pos) {
     bool result = pos >= 0 && pos < buffer.len;