1*ae5b1ec8SZiwei ZhangWant to contribute? Great! First, read this page (including the small print at the end). 2*ae5b1ec8SZiwei Zhang 3*ae5b1ec8SZiwei Zhang### Before you contribute 4*ae5b1ec8SZiwei ZhangBefore we can use your code, you must sign the 5*ae5b1ec8SZiwei Zhang[Google Individual Contributor License Agreement] 6*ae5b1ec8SZiwei Zhang(https://cla.developers.google.com/about/google-individual) 7*ae5b1ec8SZiwei Zhang(CLA), which you can do online. The CLA is necessary mainly because you own the 8*ae5b1ec8SZiwei Zhangcopyright to your changes, even after your contribution becomes part of our 9*ae5b1ec8SZiwei Zhangcodebase, so we need your permission to use and distribute your code. We also 10*ae5b1ec8SZiwei Zhangneed to be sure of various other things—for instance that you'll tell us if you 11*ae5b1ec8SZiwei Zhangknow that your code infringes on other people's patents. You don't have to sign 12*ae5b1ec8SZiwei Zhangthe CLA until after you've submitted your code for review and a member has 13*ae5b1ec8SZiwei Zhangapproved it, but you must do it before we can put your code into our codebase. 14*ae5b1ec8SZiwei ZhangBefore you start working on a larger contribution, you should get in touch with 15*ae5b1ec8SZiwei Zhangus first through the issue tracker with your idea so that we can help out and 16*ae5b1ec8SZiwei Zhangpossibly guide you. Coordinating up front makes it much easier to avoid 17*ae5b1ec8SZiwei Zhangfrustration later on. 18*ae5b1ec8SZiwei Zhang 19*ae5b1ec8SZiwei Zhang### Code reviews 20*ae5b1ec8SZiwei ZhangAll submissions, including submissions by project members, require review. We 21*ae5b1ec8SZiwei Zhanguse GitHub pull requests for this purpose. 22*ae5b1ec8SZiwei Zhang 23*ae5b1ec8SZiwei Zhang### The small print 24*ae5b1ec8SZiwei ZhangContributions made by corporations are covered by a different agreement than 25*ae5b1ec8SZiwei Zhangthe one above, the 26*ae5b1ec8SZiwei Zhang[Software Grant and Corporate Contributor License Agreement] 27*ae5b1ec8SZiwei Zhang(https://cla.developers.google.com/about/google-corporate). 28