Ah, so I need to be careful where I click, as I scroll a page.  That would explain the matter.  I often fidget-click while reading, not paying attention to where the cursor is when I click.  And I should not do that, I guess.

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.