Ok @elextr you talked me into looking into the code finally. I've got it working with the current Scintilla. ### line 167 geany/scintilla/src/Editor.cxx: **from** `multiPasteMode = SC_MULTIPASTE_ONCE;` **to** `multiPasteMode = SC_MULTIPASTE_EACH;` ![vertical_paste_fix](https://user-images.githubusercontent.com/10157303/65728722-cdd5e800-e089-11...)