590     Err(Error::SdpInvalidSyntax(String::from_utf8(key)?))  in s1()
601     Err(Error::SdpInvalidSyntax(String::from_utf8(key)?))  in s2()
612     Err(Error::SdpInvalidSyntax(String::from_utf8(key)?))  in s3()
633         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s4()
646         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s5()
663         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s6()
682         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s7()
698         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s8()
727         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s9()
745         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s10()
762         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s11()
791         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s12()
811         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s13()
844         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s14()
874         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s15()
904         _ => Err(Error::SdpInvalidSyntax(String::from_utf8(key)?)),  in s16()
918         return Err(Error::SdpInvalidSyntax(value));  in unmarshal_protocol_version()
931         return Err(Error::SdpInvalidSyntax(format!("`o={value}`")));  in unmarshal_origin()
1016         return Err(Error::SdpInvalidSyntax(format!("`c={value}`")));  in unmarshal_connection_information()
1061         return Err(Error::SdpInvalidSyntax(format!("`b={value}`")));  in unmarshal_bandwidth()
1092         return Err(Error::SdpInvalidSyntax(format!("`t={value}`")));  in unmarshal_timing()
1116         return Err(Error::SdpInvalidSyntax(format!("`r={value}`")));  in unmarshal_repeat_times()
1149         return Err(Error::SdpInvalidSyntax(format!("`t={value}`")));  in unmarshal_time_zones()
1202         return Err(Error::SdpInvalidSyntax(format!("`m={value}`")));  in unmarshal_media_description()