Debug Mode#

Enable the HUD to verify SyncTeX coordinate data or troubleshoot Forward Search:

# Permanent Enable
defaults write com.github.munepi.galley debugMode -bool true

# Temporary Enable (Terminal)
/Applications/GalleyPDF.app/Contents/MacOS/GalleyPDF /path/to/document.pdf -debugMode YES

To disable the permanent setting:

defaults delete com.github.munepi.galley debugMode