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usjim authored
Recommend using a HTTPS URL when adding this repository to a parent project's .gitmodules. HTTPS is rarely if ever blocked and allows anonymous (without registration, not necessarily truly anonymous) downloads. Those qualities make HTTPS a good choice for people originally cloning the main project who just want a local copy of the submodule (e.g. to build the parent project). Others might still want to override this URL locally to achieve write access through SSH. Note that this commit does not contain any technical changes, it mearly updates the recommendations given in README.txt on how to integrate this repository into another repository as a submodule.
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