I was most certainly checking the Don't Autoformat. (I loathe the fact that Autoformat is the only option when replying to something on LJ that uses the new comment form.)
It looks like my problem was that I was using old-school HTML line break tags, <br>, and DW wants the XML (self-closing) version, <br/> It was trying to close the breaks by adding <br/> wherever the last legitimate open-close tag pair ended, so I was getting stacks of extra <br/> at the bottom of my entries. ardath_rekha called it exactly right (above).
So yeah, it looks like all I have to do is add the extra keystroke in the tag when I want to code a line break. And both versions (with or without the slash) work on LJ, so I should be good to go with the cross-posted versions as well.
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I was most certainly checking the Don't Autoformat. (I loathe the fact that Autoformat is the only option when replying to something on LJ that uses the new comment form.)
It looks like my problem was that I was using old-school HTML line break tags, <br>, and DW wants the XML (self-closing) version, <br/> It was trying to close the breaks by adding <br/> wherever the last legitimate open-close tag pair ended, so I was getting stacks of extra <br/> at the bottom of my entries.![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
ardath_rekha called it exactly right (above).
So yeah, it looks like all I have to do is add the extra keystroke in the tag when I want to code a line break. And both versions (with or without the slash) work on LJ, so I should be good to go with the cross-posted versions as well.