English doesn't appear as a target gray interlanguage link in simple.wikipedia.org, but Simple English does.
- Go to https://simple.wikipedia.org/wiki/Special:CX
- Start a new translation
- Select some article in the French Wikipedia
- Select Simple English as the target language
- Start the translation
- In a new tab, open https://simple.wikipedia.org/wiki/Special:WithoutInterwiki . It's a list of articles that appear in the Simple English Wikipedia and not in any other. Open any of these articles, for example Aepyornis or Gun language.
Observed: "Simple English" appears a gray interlanguage link.