The "Command-line options" section is generated by claude code from the help string in `nsLayoutDebugCLH::GetHelpInfo()` [1]. [1] https://searchfox.org/firefox-main/rev/c86fcb7f22721f58a39455cb965da7634ecf88e6/layout/tools/layout-debug/src/nsLayoutDebugCLH.cpp#234-256 Differential Revision: https://phabricator.services.mozilla.com/D310876