html/template: does not recognize rgb() as a CSS color

Please answer these questions before submitting your issue. Thanks!

What version of Go are you using (go version)?

tip

Does this issue reproduce with the latest release?

yes

What operating system and processor architecture are you using (go env)?

does not matter

What did you do?

An code fragment to reproduced is here: https://play.golang.org/p/r8LOFN_roBo Using string instead of template.HTML produces the same result.

What did you expect to see?

color: rgb(10,20,30)

What did you see instead?

color: ZgotmplZ