Do not generate left endpoints for multiple 1-point segments during serialization with bounds.
Do not generate left endpoints for multiple 1-point segments during serialization with bounds.

mockingbirdnest/Principia,pleroy/Principia,mockingbirdnest/Principia,mockingbirdnest/Principia,pleroy/Principia,pleroy/Principia,pleroy/Principia,mockingbirdnest/Principia