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parser libraries for servers (for netconf)
Build in DHCPv4 and DHCPv6 (at least) Makefiles a convenience library with the parser so a tool which just needs to parse a DHCPv4 (or DHCPv6) configuration including comments and includes can link with this library and calls a parse* method to get a syntactic correct Element.
I have an use for this in netconf to port and improve a to-yang tool which translates such config to YANG and loads it to sysrepo datastore. IMHO config backend should use this too.