Stephen J. Turnbull writes:
Simon> highlight-headers.el says it is used by RMAIL and VM.
Is
Simon> it maintained in VM? It is not part of Emacs, so I guess
Simon> it isn't maintained by the RMAIL maintainer. I guess I'm
Simon> looking to see if there is a new version of it, 1995 was
Simon> some time ago.
I'm cc'ing Kyle Jones, author of VM.
I don't maintain highlight-headers. Given what it does, I don't
see that it needs much maintenance provided no one breaks it by
changing the APIs that it uses.
XEmacs' version of RMAIL was probably hacked to use highlight-header
during the JWZ era. I put hooks into VM to optionally use it around
the same time. I haven't revisited the code since then except to
conditionalize use of it once the package system came into existence.