Relax the detection of keyword arguments
Relax the detection of keyword arguments

Trying to parse everything, the regex became too complex to be understood.
The common thing between the various forms of arguments declarations is that no
space is allowed between the opening and closing parenthis. Currently, this
should be sufficient to detect every keywords in current 1.4 and 1.5
documentations.

cbonte/haproxy-dconv,cbonte/haproxy-dconv,cbonte/haproxy-dconv