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https://issues.apache.org/jira/browse/LOG4J2-3537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17556046#comment-17556046
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ASF subversion and git services commented on LOG4J2-3537:
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Commit 38ba5a46cf7e9e27790010e98d0af4d6a26ef30e in logging-log4j2's branch
refs/heads/release-2.x from PashaTurok
[ https://gitbox.apache.org/repos/asf?p=logging-log4j2.git;h=38ba5a46cf ]
LOG4J2-3537 Fixes problem with wrong ANSI escape code for bright colors (#935)
Fixes problem with wrong ANSI escape code for bright colors
> Ansi escape code for highlight is generated wrong
> -------------------------------------------------
>
> Key: LOG4J2-3537
> URL: https://issues.apache.org/jira/browse/LOG4J2-3537
> Project: Log4j 2
> Issue Type: Bug
> Affects Versions: 2.14.1
> Reporter: Pavel_K
> Priority: Minor
> Attachments: Screenshot from 2022-06-14 16-09-30.png, Screenshot from
> 2022-06-14 16-13-13.png
>
>
> This is a test pattern layout:
> {code:java}
> <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS}
> %highlight{[%level]}{FATAL=red bright, ERROR=red bright, WARN=yellow bright,
> INFO=magenta bright, DEBUG=green, TRACE=blue bright} [%t] %logger{36} -
> %msg%n" disableAnsi="false"/>
> {code}
> As you see for TRACE level is `blue bright`. However, this is a generated
> code:
> [34;1m[TRACE][m . As you see we have
> [SGR|https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_(Select_Graphic_Rendition)_parameters]
> function with two parameters: 34 is color and 1 is bold.
> For example linux terminal will render it this way:
> !Screenshot from 2022-06-14 16-09-30.png!
> We see, that it is not `bright blue` but `bold blue`. At the same time in
> [manual|https://logging.apache.org/log4j/2.x/manual/layouts.html] they speak
> about different colors:
> !Screenshot from 2022-06-14 16-13-13.png!
> And if we want bright blue, generated escape code should be `[94m[TRACE][m`
> - see the link to SGR function I provided.
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