This method is scorned by semantic purists since its presence has no contextual meaning at all to the page and is there purely for presentation. Of course in the strictest sense they are right, but it gets the job done right and doesn’t hurt anybody. The Overflow Method relies on ...
The problem with these metrics is that they appear three times in a single font file, each version having a slightly different meaning: the font’s horizontal header provides the ascent, descent and linegap fields, which are used to express the designer’s intents, rather than the real value...