Re: trunk r115158: * lisp/progmodes/ruby-mode.el (ruby-custom-encoding-magic-comment-template):

[Glenn Morris]

Bozhidar Batsov wrote:

> Seems odd to include such trivial changes in the changelog, as nobody is
> likely to be interested in reading about them.

It is the Emacs convention to record everything (essentially) in
ChangeLogs. It's no extra work. Eg, use `C-x 4 a' to create the
ChangeLog entry, then use log-edit-insert-changelog to create the VCS
log entry from the ChangeLog.

> This particular defcustom was recently introduced,

Then it should definitely have a :version tag. :)

(BTW, there isn't even a ChangeLog entry for the introduction.)