When var matches __setvar_regexp__, which has the value as below,
__setvar_regexp__ = re.compile(r'(?P<base>.*?)(?P<keyword>:append|:prepend|:remove)(:(?P<add>[^A-Z]*))?$')
the keyword will not be __doc__ or __module__ and var will always
contain ":".
(Bitbake rev: 0af396917fe176df7b1ed0bd7c7267507ed12e03)
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>