>>>>> On Thu, 12 Sep 2024 13:53:26 -0400, John Ciolfi via "Bug reports for GNU
>>>>> Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org> said:
John> 1. Create foo.xml containing:
John> <foo>
John> <!--
John> foo
John> bar
-->
John> </foo>
John> Notice that we have a blank line in the xml comment.
John> 2. Put the point on 'bar' and press TAB.
John> Notice that the 'bar' line is not indented correctly.
John> Solution
John> --------
John> The problem is that in nxml-compute-indent-in-delimited-token, there
John> is a (forward-line -1) which assumes that the prior line is indented.
In
John> this case the prior line is a blank line and thus doesn't have
John> indentation. After the (forward-line -1), we need to keep going back
John> until we see a non-blank line:
John> (forward-line -1)
John> + (while (looking-at "^[:blank:]*$")
John> + (forward-line -1))
John> Attached is a patch for nxml-mode.el that fixes the issue.
Your patch does the right thing, but for the wrong reasons. Regexp
character classes only have meaning with a bracket expression, so what
youʼre matching here is actually any lines containing zero or more of
':', 'b', 'l', 'a', 'n', or 'k'. IOW, you should use:
(looking-at "^[[:blank:]]*$")
Robert
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