Letter spacing is distinct from kerning, which adjusts the spacing of particular pairs of adjacent characters such as '7. You can add some unusual letterspace to enhance the prominence of your title. In typography, letter spacing, character spacing or tracking is an optically consistent adjustment to the space between letters to change the visual density of a line or block of text. Uppercase letters are great for big titles. If you think that only fontspec should change: I'm quite willing to try to contact Will. Give some extra letterspace when using uppercase. So every solution which corrects the problem on the fontspec level (either some change in luaotfload or only in fontspec) is fine for me. I agree that users interface through a package but imho in the case of letterspacing/tracking this package is generally fontspec and not microtype as letterspacing for xelatex isn't offered by microtype amd quite a lot lualatex users started with xelatex (or use both).Īlso from the point of a package writer I currently would prefer to use fontspec too to avoid to many "iflualatex - ifxelatex"-clauses (this could change if microtype expands its letterspacing to xelatex)- but naturally Letterspace must give a consistent result. The user wanted to switch to lualatex and didn't understand why all all the headings and other texts broke. The great type designer, Eric Gill, is credited with saying he who would letterspace lower-case text, would steal sheep.
#LETTERSPACE SERIES#
I stumbled over the problem while debugging a document which used a class written originally for xelatex and which used the fontspec option "Letterspace" in various places. letterspace is platform situated in Amsterdam, and as of 2018 is hosting a monthly series of lectures about experimentation, innovation and research in type.
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