From b47de28da543f165795812afa366cacd64211a01 Mon Sep 17 00:00:00 2001 From: Nicolas Werner Date: Fri, 24 Jan 2020 00:40:33 +0100 Subject: [PATCH] MSC2422: Allow color on font tag Signed-off-by: Nicolas Werner --- .../2422-allow-color-attribute-on-font-tag.md | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 proposals/2422-allow-color-attribute-on-font-tag.md diff --git a/proposals/2422-allow-color-attribute-on-font-tag.md b/proposals/2422-allow-color-attribute-on-font-tag.md new file mode 100644 index 00000000..4287a696 --- /dev/null +++ b/proposals/2422-allow-color-attribute-on-font-tag.md @@ -0,0 +1,38 @@ +# MSC2422: Allow `color` as attribute for `` in messages + +Currently the spec requires you to use `data-mx-color` instead of the standard +`color` html attribute for the `` tag. This is probably done to make it +consistent with ``, where you may not want to allow a generic style tag for. + +On the other hand the /rainbow command on almost every client just uses the +`color` attribute of the `` tag. While some clients support +`data-mx-color` (i.e. Riot Web), most clients don't. Most clients support +rendering `color` however. + +It would probably be for the best to allow or even prefer `color` on the +`` tag. + +## Proposal + +Add the `color` attribute to the allowed attributes of `` in section +13.2.1.7. Allow only hexcodes as allowed value for this attribute for now. + +## Potential issues + +- We now have a redundant attribute in the spec. While it matches, what the + clients currently do, it may be better to fix each client instead. +- Clients may not sanitize the color attribute and will let other color values + through, increasing compatibility issues again. +- Clients may never support the data-mx-* attributes now. +- Old messages could loose their color +- This proposal doesn't touch span at all, maybe it should? + +## Alternatives + +- fix the clients +- remove the `data-mx-color` and `data-mx-bg-color` attributes entirely, leaving + us just with `color` for `` +- Add a section to tell the clients to prefer `color` over `mx-data-color` +- Spec an entirely different format for messages (that would probably not make + this proposal obsolete) +