{"name":"JupyterLab","extensions":"[{\"identifier\":{\"id\":\"aaron-bond.better-comments\",\"uuid\":\"7a0110bb-231a-4598-aa1b-0769ea46d28b\"},\"displayName\":\"Better ...
Checking that the file looks like a valid patch file and checking the code around the bits being modified matches the context provided in the patch are just two of the basic sanity checks patch does.