Keywords: delicate, pleat, cotton, chiffon, technique, sewing tutorial, do not backstitch, historical, dainty, iron, pretty, fine, thin, step-by-step guide, reference.
The link mentioned in the comic does not consistantly transcribe here, so here it is in longhand:
http [colon slash slash] historicalsewing [dot] com [slash] pintucks-the-old-fashioned-way
Remove the spaces and insert the noted punctuation. Jennifer Rosbrugh, the owner of the other site, has some lovely photos and explains for how pintuck can be used for structural support of a garment as well as a purly aesthetic addition.