Question concerning creation of XML files

[sjehuda]

Greetings!

TL;TD; The question is at the last line.

I have noticed, that buku concatenates strings generated by "for loops" in order to generate (i.e. export) XML and other type of files. This is understandable for files of type Markdown and Org.

However, I do not think that it should be so for XML files, except for Netscape HTML bookmarks because it is a not-well-formed XML.
gemini://woodpeckersnest.space/~schapps/journal/2025-01-08-deprecate-netscape-bookmarks.gmi

I do so to generate Atom, OPML and XHTML.
https://git.xmpp-it.net/sch/Rivista/src/branch/main/rivista/xml/opml.py

I concatenate strings, only when ElementTree does not appear to support certain cases, such as appending a reference to XSLT stylesheet.
https://git.xmpp-it.net/sch/Rivista/src/branch/main/rivista/xml/xslt.py

Would it be acceptable to utilize class ElementTree (i.e. import xml.etree.ElementTree as ET) for that task or is it not desirable?

Kindly,
Schimon