On 2020-06-30 18:33, Chris Jones wrote:
> On Mon, Jun 29, 2020 at 03:34:03PM EDT, Tim Chase wrote:
>> Try changing that line from
>>
>> $?^$?+,$g/^\[\@!.*\n\[\@!/,/\n\[\|\%$/j
>>
>> to
>>
>> $?^$?+,$g/^\[\@!.*\n\[\@!./,/\n\[\|\%$/j
>
> This indeed fixes the problem.
Great!
> Still trying to wrap my head around this bizarre
>
> :g/regex1/,/regex2/command
It helps to think of broken down. The :g command itself can take one
range:
:{range1}g/regex1/{command}
and that {command} can consist of a command *and an optional range
relative to each of those matches*. So in the above, that {command}
is
{range2}command
and that {range2} is
,/regex2/
which has the start of the range "." implied, so would be the same as
.,/regex2/
The power of this "find lines with a :g command, then operate on a
range of lines relative to each of those matches"
So it might be clearer to write that original as
$?^$?+,$ g/^\[\@!.*\n\[\@!./ .,/\n\[\|\%$/ j
11111111 2222222222222222222 3333333333333 4
where
1 = the range for the footnotes
2 = find lines where the next line is a continuation
3 = a range from this continued-line through the end of the footnote
4 = join that range of lines from #3
To learn this requires pulling together bits from several sections of
the help:
:help range
:help search-offset
:help 10.3 " particularly the ADD AND SUBTRACT section
:help 10.4
so it's certainly not a well-advertised bit of functionality.
But as you can see, it's an amazingly *powerful* bit of functionality
that I use all the time.
> Thank you very much for your help!
Thanks for the fun challenge. :-)
-tim
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