For those who are interested, I've implemented --no-hash and it's being discussed (with some opposition) on the Git mailing list[0]. The implementation uses an all-zeros hash instead of omitting the line altogether, as git uses the "From " header to handle patch detection.
[0] http://thread.gmane.org/gmane.comp.version-control.git/282069 -- brian m. carlson / brian with sandals: Houston, Texas, US +1 832 623 2791 | https://www.crustytoothpaste.net/~bmc | My opinion only OpenPGP: RSA v4 4096b: 88AC E9B2 9196 305B A994 7552 F1BA 225C 0223 B187
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