Once upon a time, editors requested submissions in single-column, double-spaced form because they (or the in-house writers) would actually mark on the printed-out paper. Mysterious glyphs, squiggly arrows, and indecipherable handwritten text would be inscribed between the lines in red ink. Many journal preprints from that era are double-spaced.
Even more mysterious are the arcane notations such as “TABLE 1 ABOUT HERE” with the actual table/figure contents placed at the end of the paper. Understandable when authors provided hardcopy figures for photoreproduction, baffling when the entire submission was generated with LaTeX or Word.
Even more mysterious are the arcane notations such as “TABLE 1 ABOUT HERE” with the actual table/figure contents placed at the end of the paper. Understandable when authors provided hardcopy figures for photoreproduction, baffling when the entire submission was generated with LaTeX or Word.