On 2017-05-28 22:30, Eli Zaretskii wrote:>> I wonder if we should mention this in the manual. Maybe in the "display specs" section, where (fringe …) is described, we could add this:
>>
>>   `left-fringe' and `right-fringe' are replacing specs: the span of text that they apply to is made invisible.  To add a fringe to a line without hiding any of its contents, put the fringe property on the before-string of an overlay or on the line-prefix of your text.
> 
> That's the kind of "howto" stuff that doesn't really belong to a
> manual.

Where does it belong, then?