How to get these automation
"if a Short single notes in a page should be centred. Set several very short notes on same line with 3 EMs # between"
like the below output
1. Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text
2. short footnote 3. short footnote 4. shortfootnote
5. Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text Sample Footnote text
\usepackage{fnpara}
in the preamble, although this package put all footnotes in a run-on paragraphs.