erc-server-parameters

erc-server-parameters is a variable defined in `erc-backend.el'.
Its value is

nil

• Automatically becomes buffer-local when set.

Documentation:
Alist listing the supported server parameters.

This is only set if the server sends 005 messages saying what is
supported on the server.

Entries are of the form:
(PARAMETER . VALUE)
or
(PARAMETER) if no value is provided.

Some examples of possible parameters sent by servers:
CHANMODES=b,k,l,imnpst - list of supported channel modes
CHANNELLEN=50 - maximum length of channel names
CHANTYPES=#&!+ - supported channel prefixes
CHARMAPPING=rfc1459 - character mapping used for nickname and channels
KICKLEN=160 - maximum allowed kick message length
MAXBANS=30 - maximum number of bans per channel
MAXCHANNELS=10 - maximum number of channels allowed to join
NETWORK=EFnet - the network identifier
NICKLEN=9 - maximum allowed length of nicknames
PREFIX=(ov)@+ - list of channel modes and the user prefixes if user has mode
RFC2812 - server supports RFC 2812 features
SILENCE=10 - supports the SILENCE command, maximum allowed number of entries
TOPICLEN=160 - maximum allowed topic length
WALLCHOPS - supports sending messages to all operators in a channel