Navbar issues (with Github pages ... in subfolders ... on Firefox)

[jrappen]

I have an issue where docsify seems to mess up the _navbar.md for subfolders on Github pages on Firefox 53.0.3 x64 on Win 10 Pro x64 1703.

Visiting https://jrappen.github.com/sublime-distractionless and switching to the German docs via Translations > Deutsch (to https://jrappen.github.com/sublime-distractionless/#/de-DE/) does not show the _navbar.md from the root for the docs, but de-DE/_navbar.md from an old commit which I had added by mistake. The file does not exist in the current master in the docs/de-DE subfolder.

I have tried clearing the cache in my browser.

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I could not reproduce this issue on:

• Safari on iOS
• Windows Edge on Win 10 Pro x64 1703

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This might be a Github pages issue?

[jrappen]

Duplicate of #190