[Rpm-maint] [rpm-software-management/rpm] Implement one-shot macro modifier <o> (PR #4169)

[Panu Matilainen]

@pmatilai commented on this pull request.



> @@ -63,7 +63,17 @@ Macro behavior can be altered by supplying modifiers: (Added: 6.1.0)
 	_NAME_*<*_MODIFIERS_*>* _BODY_
 
 Supported modifiers are:
-- *l*iteral - macro body is literal, *%* is not processed when expanding
+- *l*: Literal expansion. *%* is not processed when expanding.
+- *o*: One-shot expansion. The macro is expanded on first use and the
+  literal result is pushed on top of the original macro.

Which is not to say the description couldn't be improved. I found it rather hard to explain in a single sentence. Examples make it clearer though.

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