* 文脈

[4] 色々なところで参照されています。

[FIG(short list)[ [5] 主要な参照元
- [[URLUtils]] API
- [F[cannot have a username/password/port]]
]FIG]

* 歴史

[1] [CITE@en[Rename non-relative to cannot-be-a-base-URL · whatwg/url@2f4161d]]
([TIME[2016-03-25 13:50:01 +09:00]] 版)
<https://github.com/whatwg/url/commit/2f4161d9f82b1752d9627ee7f34886e94464b054>

[2] [CITE@en[Editorial: non-relative flag got renamed · whatwg/html@d360c27]]
([TIME[2016-03-31 12:40:51 +09:00]] 版)
<https://github.com/whatwg/html/commit/d360c27d44c52390441b5910d39e898160ec016d>

[3] [CITE@en[Update for URL's cannot-be-a-base-URL flag]]
([[annevk]]著, [TIME[2016-10-28 21:41:17 +09:00]])
<https://github.com/whatwg/fetch/commit/1f0b7ead88a0535f9ff1135e94dac3d2b031d8af>