David A

~I think that to some extent we are going to have to deviate from `animation-range` regardless: otherwise, `entry x%` expands to `entry x% entry 100%` but I think we've been...

After chatting with @flackr , I realize I misunderstood the suggestion from his [last comment](https://github.com/w3c/csswg-drafts/issues/11932#issuecomment-3603914060). We are now aligned with @ydaniv on being consistent with `animation-range` while exploring the future...

The **proposed resolution** is to adopt option 1 from my [last comment](https://github.com/w3c/csswg-drafts/issues/11932#issuecomment-3633300826): parse `timeline-trigger-range` the same as `animation-range`. Tagging a few folks that might want to chime in: @tabatkins @fantasai...