poire-z e3bac94db1 PDF written highlights: fix boxes, trash cached tiles ... TileCacheItem: add created_ts property. Document: manage a tile_cache_validity_ts and ignore older cached tiles. This timestamps is updated when highlights are written as annotations in, or deleted from, the PDF, so we can get the most current rendered bitmap from MuPDF and avoid highlight ghosts on old tiles. Save this timestamp in doc settings so older cached to disk tiles will also be ignored across re-openings. Bump base for: mupdf.lua: update frontend pboxes with MuPDF adjusted ones.		2021-07-20 15:19:59 +02:00
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modules	PDF written highlights: fix boxes, trash cached tiles	2021-07-20 15:19:59 +02:00
readerui.lua	Device status alarm: battery and memory (#7857)	2021-06-29 14:07:29 +02:00