x/website: error accessing "Writing Web Applications" section in docs

[mikayelgr]

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

$ go version
go version go1.16.7 windows/amd64

Does this issue reproduce with the latest release?

Yes

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

go env Output

$ go env

What did you do?

I just visited https://golang.org/doc/articles/wiki/

What did you expect to see?

I expected to see the page describing how to create a simple wiki using Go.

What did you see instead?

I saw this error

template execution: template: doc/articles/wiki/index.html:77:2: executing "doc/articles/wiki/index.html" at <code "doc/articles/wiki/part1.go" `/^type Page/` `/}/`>: error calling code: open _content/doc/articles/wiki/doc/articles/wiki/part1.go: no such file or directory

[mknyszek]

CC @dmitshur who's listed as the owner of a bunch of other x/website packages.

[dmitshur]

This is likely introduced by recent x/website changes. @rsc Can you take a look?

[gopherbot]

Change https://golang.org/cl/343289 mentions this issue: cmd/golangorg: fix regexp match with ^ and $