Hi
I found two pages on MDN that seam be a subset of B2G (if i look to the breadcrumb) but one looks strange and has old Firefox links in it.
The other has the same breadcrumb looks different and has a different left menubar.
https://developer.mozilla.org/en-US/docs/Mozilla/B2G_OS/Developing_Gaia/Different_ways_to_run_Gaia
https://developer.mozilla.org/en-US/docs/Mozilla/B2G_OS/Developing_Gaia
Is that a old leftover or just a wrong linked page?