v3.3: Click Edit PDF text, click text on the page, type in the orange box. Enter or leaving the box applies the edit. Ctrl+A then Backspace clears the line; Enter saves deletion. Escape cancels. Advanced left-side text controls are collapsed. Editing remains single-line, Latin/English with substitute fonts. Complete vendor/mupdf upload is required. Back up invoices, extract ZIP with overwrite, Ctrl+Shift+R and check v3.3 footer.
