The original first episode was later on completed by Talbot and published by Avatar in Alan Moore's Yuggoth Cultures n. 1 (of 3) in 2003.
Alan Moore: It's fair to say that some of the ideas of this very urban approach to the supernatural eventually found their way into other books, as well as in the character of John Constantine-but you have to remember that I created Constantine as an occult wide boy. A spiff. There was something of the used car salesman mixed in with the occultist there, as well as that tricky, untrustworthy kind of intelligence which I found appealing in the character. The central character of Nightjar, on the other hand, was an intelligent woman who sought vengeance and wanted to take back what she thought was rightfully hers. And the series itself was an honest attempt to portray the occult, not as something performed mainly in spandex costumes, but as something which happens on ordinary streets with ordinary people in ordinary clothes.
The premise of the story was that underneath our ordinary, everyday world, there exists this other magical reality where occultists-with seemingly ordinary, everyday lives-vie for power. And the occultists who practice this magic all have odd names connected to birds. That's why the strip was going to be called 'Nightjar'-after the central character's magical name and a bird of prey that comes out at night.
Nightjar was going to be Mirrigan Demdyke. The name 'Demdyke' came from Bryan's suggestion, because this was the name of one of the Pendle Witches who were hung for witchcraft up north in Bryan's part of the country [England]. And Mirrigan was the daughter of Harold Demdyke, a powerful, but obscure occultist who'd been living in absolute anonymity. As the king of all the magicians, which in the story was referred to as 'Emperor of All The Birds,' Harold had taken the ultimate zen step by obtaining power beyond power, while living the life of a common man. And on the very first pages of the series, you'd see that he's killed, and his murderers-the new magical aristocracy-have dissolved his line of hierarchy.
[...] This would then bring her into conflict with a number of sinister occultists, which would've given the reader all of that great 'Doctor Strange,' good versus evil stuff against this gritty, Bryan Talbot-Northern England background.
[...] Do I think the story will ever see print? Probably not. Nightjar was a lot of fun to work on at the time, but over the years, it's lost its magic. Both Bryan and I are too busy with projects of our own now, which was why the story never materialized in the first place [laughter]! But still, the basic story is an idea I've been kicking around in my head ever since then. There's some fragments of it starting to emerge in a proposal that I'm working up for Lenny Henry, who's recently been working with Neil Gaiman on a television series over here. I suggested something to Lenny that would have combined the world of the occult with the urban grimness of a crime drama. I thought that could make for an interesting, explosive combination. There's not much that relates it to Nightjar, but there's still some of the atmosphere of it. So yeah, I'm still looking for a way to put the story to use.
Read also this article by Talbot about Nightjar, HERE.