reassign 36850 emacs,gnus severity 36850 minor tags 36850 + patch quit Allen Li writes: > Attempting to customize nnmail-expiry-wait-function and selecting a > custom function results in the error: > > read: Symbol’s function definition is void: nnmail- Indeed, I don't understand why its custom :type was written that way. While looking at this, I noticed some room for clarification in the relevant docs. Are the following clarifications welcome and suitable for emacs-26?