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upon the length of any component. Package managers should indicate or reject any
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invalid according to the rules below. |
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invalid according to the rules below. |
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A version starts with the number part, which is in the form \t{[0-9]+(\textbackslash.[0-9]+)*} |
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A version starts with the number part, which is in the form \t{[0-9]+(\textbackslash.[0-9]+)*} |
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(a positive integer, followed by zero or more dot-prefixed positive integers). |
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(a non-negative integer, followed by zero or more dot-prefixed non-negative integers). |
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This may optionally be followed by one of \t{[a-z]} (a lowercase letter). |
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This may optionally be followed by one of \t{[a-z]} (a lowercase letter). |
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This may be followed by zero or more of the suffixes \t{_alpha}, \t{_beta}, \t{_pre}, |
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This may be followed by zero or more of the suffixes \t{_alpha}, \t{_beta}, \t{_pre}, |
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\t{_rc} or \t{_p}, which themselves may be followed by an optional integer. Suffix and integer |
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\t{_rc} or \t{_p}, which themselves may be followed by an optional non-negative integer. Suffix and integer |
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count as separate version components. |
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count as separate version components. |
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This may optionally be followed by the suffix \t{-r} followed immediately by an integer (the |
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This may optionally be followed by the suffix \t{-r} followed immediately by a non-negative integer (the |
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``revision number''). If this suffix is not present, it is assumed to be \t{-r0}. |
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``revision number''). If this suffix is not present, it is assumed to be \t{-r0}. |
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\section{Version Comparison} |
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\section{Version Comparison} |
