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As I try to implement vertical writing-mode and rtl page-progression-direction, I find something strange.
Writing-mode is a css property. It works well in QtWebEngine and I dont need to touch anything. But when I scroll the page in flow mode, the content disappear and the chapter name will be the name of previous chapter. If the window is resized, the content appear again and chapter is correct. Inspector shows that contents are always there and just invisible. Any changes in scroll implementation dont affact.
Such could be reproduced with offical build, by use shortcut key instead.
Any idea?
Ive put an epub with vertical text and rtl page-progression-direction here.
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