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Scroll sync replaces caret following. ScrollView gains setOnScrolled, reported whenever the applied offset changes. In Split mode the pane that scrolls first leads until the next tick, and the other jumps to the block or source line at the leader's top edge, so the panes never chase each other. Moving the caret alone no longer moves the preview. Images render instead of showing as links. ImageLoader is a new optional Ui service, like TextMetrics: WidgetsApp installs CanvasImageLoader, which caches nanovg images by path (Canvas::imageSize added). MarkdownImage shrinks large images to the column width, keeps small ones at natural size, and shows an alt-text placeholder when the file is missing. Relative paths resolve against MarkdownView::setBaseDirectory. The gallery uses rsc for the sample and the opened file's folder otherwise. A sample diagram ships in Widgets/examples/rsc/markdown and is copied next to the fonts and linked into the Android assets. Ctrl+wheel anywhere over the editor zooms both panes together, from 60% to 250% in 10% steps, keeping the top line in place. The status line shows the zoom. TextArea gets a font scale plus line geometry queries (topOfLineContaining, positionAtTop) that the sync uses. List bullets are drawn shapes now, because Cantarell has no glyphs for the nested markers.
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../../../Widgets/examples/rsc/markdown |