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https://issues.apache.org/jira/browse/DOXIA-554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15895955#comment-15895955
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Hervé Boutemy commented on DOXIA-554:
-------------------------------------

[~vsch] "JDK6 has reached EOL in 2012" = wrong info I often read, see slide #16 
of 
http://events.linuxfoundation.org/sites/events/files/slides/ApacheConEU2015-Maven.pdf
 for real info :)

Then Maven strategy is to support people who don't switch to latest Java 
versions as much as possible, as reasonably as possible: Maven core changed 
Java prerequisite to Java 7 for Maven 3.3 
http://maven.apache.org/docs/history.html

We try to be consistent on Java and Maven core prerequisites: see 
https://lists.apache.org/thread.html/cd8f734c780d82ab3700a1568b28b02681dcb26ec2edf248065e4fa3@1425357923@%3Cdev.maven.apache.org%3E
 for some work done a few years ago to really drop Maven 2.2.1 support

Then in general, we currently look for Maven 3.0 prerequisite, then Java 6: if 
possible, this is where we stand. If we have a good reason for having other 
prerequisites, we must share them and do the job: our convention is not a jail, 
exceptions just have to be thought and documented

> Parsing time for Markdown documents can take very long and hang site 
> generation
> -------------------------------------------------------------------------------
>
>                 Key: DOXIA-554
>                 URL: https://issues.apache.org/jira/browse/DOXIA-554
>             Project: Maven Doxia
>          Issue Type: Bug
>          Components: Module - Markdown
>    Affects Versions: 1.7
>            Reporter: Michael Benz
>         Attachments: maven-pom-sample-pegdown-performance.zip
>
>
> The parsing time for Markdown documents can take very long and hang site 
> generation when e.g. long tables are being generated.
> The author of pegdown has marked the pegdown project deprecated since 
> 2016-12-14 [pegdown.org|https://github.com/sirthias/pegdown/] and advises to 
> switch to [flexmark-java|https://github.com/vsch/flexmark-java].
> {quote}
> The project is essentially unmaintained with tickets piling up and crucial 
> bugs not being fixed.
> pegdown's parsing performance isn't great. In some cases of pathological 
> input runtime can even become exponential, which means that the parser either 
> appears to "hang" completely or abort processing after a time-out.
> {quote}
> Since the parsing timeout was increased in DOXIA-498 it is now possible to 
> "hang" the site creation with a longer table like the one in this example.
> In case this sample is rendered using version 3.3 of the maven site



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