I think that Sigil 0.4 is really very close to being commercially viable, and was a bit surprised when Valloric announced his departure from Sigil. Even with his departure, he indicated he would work on it until starting his new job, and I had hoped for a commercially-viable version at that time. I use v 0.4.0 all the time, with only occasional use of v0.3.4; and although it has a few problems they aren't enough for me to stop using it. I would think in the hands of a competent programmer it could be sold commercially with only a few changes to get it to the previous version's quality. After all, a commercial version need not be perfect, as I well remember with the first versions of Windows.
Bob
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