[1] Should 2dcontext currentTransform be live? · Issue #264 · whatwg/html ( 版) <https://github.com/whatwg/html/issues/264>
[2] Replace 2dcontext's currentTransform with get/setTransform · whatwg/html@bb00977 ( 版) <https://github.com/whatwg/html/commit/bb00977fe0f4960f929bb9fa136be2003383d551>
[3] Fix duplicate dfn/subdfn for canvas's setTransform · whatwg/html@c233765 ( 版) <https://github.com/whatwg/html/commit/c233765faf5b56a8f753c7629254b712d517646f>
[4] Make setTransform() and addPath() accept DOMMatrixInit · whatwg/html@52ef2b1 ( 版) <https://github.com/whatwg/html/commit/52ef2b19a2f818a032d12c0bc708c058784b9224>
[5] Do nothing for NaN in setTransform(transform)/addPath(b, transform) (zcorpan著, ) <https://github.com/whatwg/html/commit/5b19b37c6c6d12f0526afc258686206550ac415c>
[6] Canvas 2d context setTransform() functionality is unclear when argument contains NaN · Issue #2845 · whatwg/html () <https://github.com/whatwg/html/issues/2845>
[7] Do nothing for NaN in setTransform(transform)/addPath(b, transform) by zcorpan · Pull Request #2975 · whatwg/html () <https://github.com/whatwg/html/pull/2975>
[8] Editorial: fix intra-spec link for setTransform(matrix) (fserb著, ) <https://github.com/whatwg/html/commit/7ce8d47661f9f6e49159ad37e930ea814aaef49a>
[9] Fixed ref for setTransform(DOMMatrix2dInit) by fserb · Pull Request #3079 · whatwg/html () <https://github.com/whatwg/html/pull/3079>