Possible Clues:

• Space without paper left tidy
• The French train provides space to stretch out
• Space between seat rows
• The French fellow at match gets space to manoeuvre
• Comfort zone of the French newly-wed
• It's minimal in coach
• Space for pins on back to fasten
• Participant in French/English wedding has clearance
• What limos provide
• The Continental newlywed's space for supporters