rt-without-atom.xsl:26-27: Add check if there are atoms,...

[0pdd]

The puzzle 2921-5e2fe8e5 from #2921 has to be resolved:

eo/eo-parser/src/main/resources/org/eolang/parser/errors/rt-without-atom.xsl

Lines 26 to 27 in cb5d61b

	@todo #2921:30m Add check if there are atoms, but no +rt meta. It should be illegal.
	Don't forget to remove the puzzle.

The puzzle was created by rultor on 15-Mar-24.

Estimate: 30 minutes, role: DEV.

If you have any technical questions, don't ask me, submit new tickets instead. The task will be "done" when the problem is fixed and the text of the puzzle is removed from the source code. Here is more about PDD and about me.