This is a regression test for issue 60435: Highlighting "net/http" shouldn't have any effect on an import path that contains it as a substring, such as httptest. -- highlights.go -- package highlights import ( "net/http" //@hiloc(httpImp, `"net/http"`, text) "net/http/httptest" //@hiloc(httptestImp, `"net/http/httptest"`, text) ) var _ = httptest.NewRequest var _ = http.NewRequest //@hiloc(here, "http", text), highlight(here, here, httpImp)