Tags: patch Hi, While reading the C sources, I kept stumbling upon the meaning of XLI/XIL/XLP macros. The attached patch adds a comment with simple mnemonics to remember what they mean. In GNU Emacs 30.0.50 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.38, cairo version 1.17.8) of 2023-07-13 built on localhost Repository revision: d97b77e6c66db46b198c696f83458aa141794727 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12101008 System Description: Gentoo Linux Configured using: 'configure --with-native-compilation'