Apparently, the Return (x0D) that Xojo IDE use in the Default Text (in Properties) is <> than EndOfLine (x0A says the Docs)… under macOS…
So, my code who check for end of lines is wrong… once more.
I started with text I wrote in the TextEdit Application (Apple); then I had to ReplaceLineEndings.
Currently, I removed my text from the Properties pane and set it in the TextArea Open Event using EndOfLine.
Even with a ridiculously small project (less than 20 lines), General Work Around is asking its dues… 