(Originally `SOURCE_DATE_EPOCH` was introduced by the Debian reproducible builds
folks and since has been adapted widely.)
[^list]:As of 2015-10-26, the following tools are known to support `SOURCE_DATE_EPOCH`: help2man, Sphinx. Also, [others have been modified locally in Debian](https://wiki.debian.org/ReproducibleBuilds/TimestampsProposal#Reading_the_variable) already to support this.
[^list]:
As of 2015-10-26, the following tools are known to support `SOURCE_DATE_EPOCH`: help2man, Sphinx. Also, [others have been modified locally in Debian](https://wiki.debian.org/ReproducibleBuilds/TimestampsProposal#Reading_the_variable) already to support this.
Changes required to support `SOURCE_DATE_EPOCH` are usually fairly
small and easy to write. Patches for tools which don't yet support the