Test file for edit - preview sync problems in AsciidocFX. To see the issue you need this file and the file 'dummy.adoc' in your workdir. Normal behavior with include below line ~250 commented out: Open file, activate preview, observe: 1.) scroll in edit window, preview pane follows suit, 2.) scroll in preview pane, edit pane 'stays', 3.) once you click a position in preview the edit pane jumps to that position, at least to nearby. That's acceptable, one can work with it. Now activate the include in row 253 by removing the '/// ' in front of it, and observe: 1.) scroll up from that position in edit window, preview also scrolls, but show part of the dummy include instead of matching the edit text, **that's not ok, latest when the include row leaves the edit screen preview should jump to a position before it**, 2.) scroll down below the include in edit pane, preview follows, that's ok, 3.) scroll in preview pane, edit pane stays as it did before, 4.) click at a position below the include in preview, edit pane follows, at least to nearby, 5.) click on a position above or in the include in preview, mostly edit does not follow, sometimes to wrong position, **that's the second point which needs fixing**, 6.) enhancement proposal, an ( optional ) highlighting line, in parallel marking the appropriate position in 'Outline', edit Window, table of content! and preview. This is a row. This is a row. This is a row. This is a row. This is a row. This is a row. 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