mime: outdated mimetype for javascript files

[gopherbot]

by mhh.dreadlord:

What does 'go version' print?

go version go1.2.1 linux/amd64


What steps reproduce the problem?
If possible, include a link to a program on play.golang.org.

Run the following program:

http://play.golang.org/p/7O41RLu0QX

What happened?

Prints: application/x-javascript

What should have happened instead?

It should print: application/javascript

Please provide any additional information below.

This file http://golang.org/src/pkg/mime/type.go uses an outdated mime type for
".js" extensions, it should be changed to comply with the standard.

Relevant RFC: http://www.rfc-editor.org/rfc/rfc4329.txt

[minux]

Comment 1:

https://golang.org/cl/73070043

Labels changed: added release-go1.3, repo-main.

Status changed to Started.

[minux]

Comment 2:

According to Brad's comment on the CL, we need more proof
that change is safe in the wild.

Labels changed: added release-go1.3maybe, removed release-go1.3.

Status changed to Thinking.

[gopherbot]

Comment 3 by mhh.dreadlord:

According to the discussion here:
http://stackoverflow.com/q/9664282/165103
text/javascript is used for compatibility with older browsers.
I have made my own research and found that MaxCDN uses application/x-javascript, while
cdnjs uses application/javascript.
Maybe we should check for the types found in the system first, then fallback to these
values if no type information was found?

[minux]

Comment 4:

yes, the current code first checks system mime.types and then fallbacks to hard-code
ones.

[gopherbot]

Comment 5 by mhh.dreadlord:

I don't know about that, my mime.types file lists application/javascript first, but I
still get the x-javascript one.
You mean the code you just contributed?

[rsc]

Comment 6:

Labels changed: added release-none, suggested, removed release-go1.3maybe.

[gopherbot]

Change https://golang.org/cl/120058 mentions this issue: mime: change *.js mime type to application/javascript, not x-javascript