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https://issues.apache.org/jira/browse/MNG-7052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17280678#comment-17280678
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Michael Osipov commented on MNG-7052:
-------------------------------------
Items in question:
{noformat}
osipovmi@deblndw011x:~/var/Projekte/maven (revert-MNG-6772=)
$ grep -n '>id<' ./maven-settings/src/main/mdo/settings.mdo
./maven-model/src/main/mdo/maven.mdo
# IdentifiableBase: Mirror, Profile, Proxy, Server
./maven-settings/src/main/mdo/settings.mdo:97: <name>id</name>
# RepositoryBase: Repository
./maven-settings/src/main/mdo/settings.mdo:813: <name>id</name>
# Developer
./maven-model/src/main/mdo/maven.mdo:1176: <name>id</name>
# RepositoryBase: Repository
./maven-model/src/main/mdo/maven.mdo:1869: <name>id</name>
# Site
./maven-model/src/main/mdo/maven.mdo:2037: <name>id</name>
# PluginExecution
./maven-model/src/main/mdo/maven.mdo:2381: <name>id</name>
# Profile
./maven-model/src/main/mdo/maven.mdo:2561: <name>id</name>
# ReportSet
./maven-model/src/main/mdo/maven.mdo:2921: <name>id</name>
{noformat}
> Do not allow symbols as first character of identifiers in the POM
> -----------------------------------------------------------------
>
> Key: MNG-7052
> URL: https://issues.apache.org/jira/browse/MNG-7052
> Project: Maven
> Issue Type: Improvement
> Components: core
> Reporter: Martin Kanters
> Priority: Major
> Labels: up-for-grabs
> Fix For: 4.0.x-candidate
>
>
> In the {{DefaultModelValidator}} we currently validate identifiers against
> {{a-zA-Z0-9-_.}}
> Since Maven also allows operators to be used against an identifier, this can
> result in bugs or at least unexpected behavior for the user.
> The minus operator can be used to deactivate a certain profile, so an example
> would be:
> - A project having a profile with the id {{-id-of-profile}}
> - A Maven invocation of {{mvn <goal> -P-id-of-profile}}.
> The release of Maven 4 is a nice opportunity to restrict the first character
> of an id to be {{a-zA-Z0-9}} . The other characters may still consist of
> those symbols.
> This should apply to all identifiers that we support. The methods that need
> attention are:
> {{DefaultModelValidator#validateId}} and
> {{DefaultModelValidator#validateIdWithWildcards}}.
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