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+fehQlibs-09:	First public release based on Qlibs as 
+		a common project of Kai Peter and Erwin Hoffmann.
+fehQlibs-10:	Added IPV6_V6ONLY setsockoptions call.
+		Improved poll handling in iopause.c considering poll RC.
+		Added building of shared libraries + updated docs.
+fehQlibs-11:	Added ia4_fmt, ia6_fmt and dns_cname (for *qmail).
+		Changed dns_transmit lookup time constants. 
+fehQlibs-12:	dns_ip, dns_cname, dns_txt, dns_name and dns_mx
+		return now the number of DNS answers received 
+		unlike the number of bytes for the given output. 
+		Added convenience routines for forthcoming s/qmail.
+fehQlibs-12a:	Fixed missing DNS A lookup in dns_ip.c.
+fehQlibs-12b:	Removed (one) obsolete return value check 
+		for iopause in timeoutconn.c.
+fehQlibs-12c:	Checking carefully all dnsstub return codes
+		while using a coherent scheme. 
+fehQlibs-13:	Bugs fixed: str_copy (wrong paranthesis setting)
+		UI changed:	log() -> log_who()
+		Added: man str(3)
+fehQlibs-13a:	Fixed wrong input boundary checking for multiple
+		DNSCACHE variables settings in dns_rcip.c. (Tx. J.W.)
+fehQlibs-13b:	Added missing str_copyb() function in str.c.
+fehQlibs-13c:	iopause it RC < 0 forces end of connection loop.
+		DNS stub return codes straightend with djbdnscurve6-36.
+fehQlibs-13d:	Fixed integration bugs not displaying IPv6 addresses
+		(dns_ip.c, dns_mx.c).
+		Wrong dependency check in Makefile for SHAREDLIBS (tx. Alan S.). 
+fehQlibs-14:	Added 'const' for most input arguments + updated man:
+		byte, logmsg, str, pathexec. Patch contributed by Alan S.
+		Added byte_fill and case_upper function (potentially for SRS).
+		Included CLFAGS and LDFLAGS macros in Makefile.
+fehQlibs-15: 	Added the Guninski patch for alloc from Qualys (CVE-2005-1513).
+		dns_ipq (IP qualify) now with unified IPv4/IPv6 handling and evaluation 
+		of DNS well-know names 'localhost' and 'ipv[4|6]-loopback' (RFC 6761).
+		Fixed DNS lookup for IPv6 addresses. Adjusted DNS man pages.
+fehQlibs-15a:  	Again, changes for dns_ipq.c concerning return codes.
+		Should have only impact in case using DJB's qualification format.
+		Documentation and man page fixes for DNS stub resolver. 
+		GCC 10 linker warning for external 'ipv4socket' solved.
+fehQlibs-15b:	GCC 10 compiler issues solved. DNS TLSA record correct value.
+fehQlibs-16:	19961114 change: dns_ip() now recognizes [1.2.3.4] and [f80::a]. tnx DS.
+		scan_long() included for mess822x support.
+		constmap() added from qmail and written man page.
+		Updated getln man page to refer buffer.
+		Changed ipv4/6-localhost and ipv4/6-loopback to ip4/6-localhost and ip4/6-loopback.
+fehQlibs-16+:	GCC 10.2 conformance; ipv4socket definitition removed in socket_send()
+		and socket_connect().
+		This is a major desaster: 'external' definitions depend on time-of-usage.
+fehQlibs-17:	Removed dependency on ipv4socket entirely. 
+		Reworked socket interface + doc. Removed obsolete dns_sortip() function.
+		genalloc.h is now separate. Installation of man pages described.
+fehQlibs-18
+		Due to problems binding with IPv4-mapped IPv6 addresses for a DNS lookup,
+		splitted up randombind into randombind4 and randombind6.
+		socket operations on IPv4 use IPv4 address only. (tx. Kouichi).
+fehQlibs-19
+		Provided socket_accept4 again to avoid IPv4-mapped IPv6 address binding problems.
+fehQlibs-20
+		Added uint8p.c functions. Fixed dns_txt.c for multiple labels in RDATA section.
+fehQlibs-21
+		Fixed wrong return code for DNS_COM (tx Franz). 
+		Fixed header and man page for env functions and included fd_coe in man fd.
+fehQlibs-22
+		Changed ipX_bytestring to return correctly the number of bytes processed.
+fehQlibs-22a
+		dns_ip A lookup recognizes now 'composit' ip/fqdn correctly; ie. 1.2.3.4.example.com.
+fehQlibs-23
+		More documentation for dns resolver routines.
+		Added function stralloc_free() which was alreday in the header.