I did check "Open ANSI files as UTF-8 without BOM" with no success. But even if this would work somehow, is not what I want. Is WeBuilder not capable to work nicely with ANSI files? If it can't, than... what a waste! Very good in some aspects, but the problem with ANSI is too big and important for me...

Please, do not tell me to switch to UTF8, but tell me how can I do it with ANSI. It works on Notepad++ and tens of other text/IDE programs.
The text file from capture can be use for tests from here: http://www.filedropper.com/textsimplu