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https://issues.apache.org/jira/browse/LANG-372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12542013
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Henri Yandell commented on LANG-372:
------------------------------------

Yep - it even says so in ToStringBuilder (doh):

     * <p>This method assumes that the other object uses the same 
<code>ToStringStyle</code>
     * as this one.</p>

Just not in ToStringStyle where it's obvious when digging into the code.

I've added Javadoc in ToStringStyle to that effect (r594386). 

> ToStringBuilder: MULTI_LINE_STYLE does not print anything from appendToString 
> methods.
> --------------------------------------------------------------------------------------
>
>                 Key: LANG-372
>                 URL: https://issues.apache.org/jira/browse/LANG-372
>             Project: Commons Lang
>          Issue Type: Bug
>    Affects Versions: 2.3
>            Reporter: Travis Reeder
>             Fix For: 2.4
>
>         Attachments: LANG-327-test.patch
>
>
> To reproduce, just use the following sample on an object:
> return new ToStringBuilder(this, ToStringStyle.MULTI_LINE_STYLE)
>                 .appendToString(ob1.toString())
>                 .appendToString(ob2.toString())
>                 .append("something", something)
>                 .toString();
> You won't see the ob1.toString or the ob2.toString
> And this works correctly:
> return new ToStringBuilder(this)
>                 .appendToString(ob1.toString())
>                 .appendToString(ob2.toString())
>                 .append("something", something)
>                 .toString();

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