Re: [PATCH 2/2] Restrict ref-like names immediately below $GIT_DIR

Michael Haggerty [off-list ref] writes:

/*
 * Accept strings that are either ALL_CAPS or include a '/'.
 */

(I think the underscore is implied by the example, but the comment could
be expanded if necessary to be explicit.)

I like that comment hints "_" by having it between all and caps ;-).