[issue35406] calendar.nextmonth and calendar.prevmonth functions doesn't check if the month is valid

[Şahin]

Şahin <akkayas17 at itu.edu.tr> added the comment:

OK now it isn't a problem if we shouldn't use this function directly but how am i going to understand if a function is public API or not? In classes, we are using single or double underscore to indicate that the function or variable we're declaring is intended to be private. Is there anything similar to this for "public API functions" or am I in the wrong way?

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35406>
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