Merge of r3996, r3998, r4015, r4023, r4025, r4026, r4027: Changes log build procedure fixes: *) using sed instead of perl *) support <br/> in the middle of input *) fixed "<br>" lookup (eliminates the need in " <br/>" hacks) *) fixed maximum length for unbreakable input *) fixed space lookup (allows a space at column 77 to break a line) *) traling spaces removal in text CHANGES files.