86213 2012-05-11 06:49:37 -0700 [CSS Regions] Lines pushed between regions during a partial layout are not invalidated. 2013-05-21 02:24:39 -0700 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Unspecified Unspecified RESOLVED WORKSFORME P2 Normal --- 57312 0 abucur abucur donggwan.kim mibalan mihnea s.choi WebkitBugTracker oldest_to_newest 621596 0 abucur 2012-05-11 06:49:37 -0700 It is possible during a layout a block to shift vertically. This means that the lines to fall in a region with a different width need to be recomputed. The detection of the first line is erroneous if it falls in between regions. 621597 1 141407 abucur 2012-05-11 06:50:46 -0700 Created attachment 141407 Test case 891662 2 mibalan 2013-05-21 02:24:39 -0700 This doesn't seem to reproduce anymore (Canary, Mac nightly). Closing, unless some other way to reproduce it can be found. 141407 2012-05-11 06:50:46 -0700 2012-05-11 06:50:46 -0700 Test case text-region-line-invalidation.html text/html 1268 abucur PCFET0NUWVBFIEhUTUw+Cgo8aHRtbD4KPGhlYWQ+CgogICAgPCEtLSBUaGlzIGlzIGEgdGVzdCB0 aGF0IGNoZWNrcyBpZiBsaW5lcyBhcmUgY29ycmVjdGx5IGludmFsaWRhdGVkIHdoZW4gYSBibG9j ayBpcyBzaGlmdGVkIHZlcnRpY2FsbHkgYW5kIGEgbGluZSBkb2Vzbid0IGZ1bGx5IGZpdCBhIHJl Z2lvbi4gLS0+CgogICAgPHN0eWxlIHR5cGU9InRleHQvY3NzIj4KICAgICAgICAjc291cmNlewog ICAgICAgICAgICAtd2Via2l0LWZsb3ctaW50bzogbWFpbi10aHJlYWQ7CiAgICAgICAgfQogICAg ICAgIAogICAgICAgICNyZWdpb24xIHsKICAgICAgICAgICAgaGVpZ2h0OjgwcHg7CiAgICAgICAg ICAgIHdpZHRoOjIwMHB4OwogICAgICAgICAgICBiYWNrZ3JvdW5kLWNvbG9yOiB5ZWxsb3c7CiAg ICAgICAgfQogICAgICAgIAogICAgICAgICNyZWdpb24yIHsKICAgICAgICAgICAgaGVpZ2h0OjEw MHB4OwogICAgICAgICAgICB3aWR0aDozMDBweDsKICAgICAgICAgICAgYmFja2dyb3VuZC1jb2xv cjogb3JhbmdlOwogICAgICAgIH0KICAgICAgICAKICAgICAgICAjY29udGVudCB7CiAgICAgICAg ICAgIG1hcmdpbi10b3A6IDI1cHg7CiAgICAgICAgfQogICAgICAgIAogICAgICAgIC5yZWdpb257 CiAgICAgICAgICAgIC13ZWJraXQtZmxvdy1mcm9tOiBtYWluLXRocmVhZDsKICAgICAgICB9CiAg ICA8L3N0eWxlPgo8L2hlYWQ+Cjxib2R5PgogICAgPGRpdiBpZD0icmVnaW9uMSIgY2xhc3M9InJl Z2lvbiI+CiAgICAgICAgPGRpdiBjbGFzcz0iZXJyb3IiPkZBSUwgaWYgdGhpcyB0ZXh0IGlzIGRp c3BsYXllZC48L2Rpdj4KICAgIDwvZGl2PgogICAgPGRpdiBpZD0icmVnaW9uMiIgY2xhc3M9InJl Z2lvbiI+CiAgICAgICAgPGRpdiBjbGFzcz0iZXJyb3IiPkZBSUwgaWYgdGhpcyB0ZXh0IGlzIGRp c3BsYXllZC48L2Rpdj4KICAgIDwvZGl2PgogICAgPGRpdiBpZD0ic291cmNlIj4KICAgICAgICA8 cCBpZD0iY29udGVudCI+TG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNlY3RldHVyIGFk aXBpc2NpbmcgZWxpdC4gQ3VyYWJpdHVyIGhlbmRyZXJpdCwgbmlzaSBhdCBldWlzbW9kIHZhcml1 cywgYW50ZSBmZWxpcyBwZWxsZW50ZXNxdWUgbGVvLCB1dCBjb25ndWUgZXJvcyBsaWd1bGEgZXUg ZG9sb3IuIEV0aWFtIGxlY3R1cyBvcmNpLCBvcm5hcmUgdXQgbWF0dGlzIGlkLCBmYXVjaWJ1cyBz ZWQgbWFnbmEuIEFlbmVhbiBzaXQgYW1ldCBsZWN0dXMgbG9yZW0uPC9wPgogICAgPC9kaXY+Cjwv Ym9keT4KPC9odG1sPgo=