[bug #51311] Checking search retries for implicit make rules

[Markus Elfring]

Follow-up Comment #4, bug #51311 (project make):

> In fact there can be zero, one, or as many prerequisites containing the
pattern character as you like. Essentially if the target contains a pattern
character then it's a pattern rule:

Can examples in the manual cause the impression that there is any limitation?


>…, the reason your example doesn't work is that a pattern character must
match at least one character.

Can this information appear in another section of the manual?

Do I need to pair standard pattern rules with concrete make rules so that the
placeholder “%” will be handled in special cases as if it would be
optional?

I am curious on how the software will evolve further for the previous
clarification request “pattern rules: % doesn't match empty string”
<https://savannah.gnu.org/bugs/?29448> then.

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