[rset] Deprecate the 'encoded' argument to ResultSet.printable_rql()
It's hardly used at all, and when used inside CubicWeb, it's only set as
false. Better make sure that this function always returns a proper
unicode string and let the caller handle conversion on its own.
[MESSAGES CONTROL]
disable-msg = C0301
[VARIABLES]
# Enable / disable this checker
enable-variables = yes
additional-builtins = _, display_name
[BASIC]
required-attributes=
attr-rgx = (w|[a-z_][a-z0-9_]{2,30})
variable-rgx = (w|[a-z_][a-z0-9_]{2,30})$
argument-rgx = (w|[a-z_][a-z0-9_]{2,30})$
[TYPECHECK]
generated-members=debug,info,notice,warning,error,critical,exception