text_combined: rafael garciasuarez pvhuhqgncrxnugmailcom 29102007 via rt tom wyant wrote new use version diagnostic vstring userequire nonportable mentioned perldelta 5100 know whether oversight editorial decision clutter perldelta trivialities former hoped service catching latter intend quibble good catch added perldelta use versionrelated diagnostics appear 5100 perldiag 588 perldiag unable determine whether genuinely new simply omitted 588 perldiag invalid version format multiple underscores invalid version format underscores decimal version string contains invalid data ignoring come actually versionpm wont mention perldelta spontaneously appear code used run older perls lastly seems description vstring userequire nonportable somewhat confusing first reading seems say use floating point version numbers backward portability say help instead want scripts backward portable use floating point version number example instead use 561 say use 5006_001 course wont help older perls wont suddenly start understanding newer features least show sensible error message indicating required minimum version something like want scripts backward portable use floating point version number example instead use 561 say use 5006_001 course wont make older perls suddenly start understanding newer features least show sensible error message indicating required minimum version might clearer indeed intended meaning yes thanks applied thu 07 aug 2008 083428 0100 perl 47015 vstring userequire nonportable perldelta