[YARN-8787] Fix broken list items in PlacementConstraints documentation

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.1.1
• Fix Version/s: 3.2.0, 3.1.2
• Component/s: documentation
• Hadoop Flags: Reviewed
• Assignee: Masahiro Tanaka
• Reporter: Masahiro Tanaka
• Created: 18/Sep/18 03:34
• Updated: 18/Sep/18 10:00
• Resolved: 18/Sep/18 09:24

Description

It looks like some parts of the document below should be list items.

https://hadoop.apache.org/docs/r3.1.1/hadoop-yarn/hadoop-yarn-site/PlacementConstraints.html

It might be because of missing newlines before listing.

https://github.com/apache/hadoop/blob/ee051ef9fec1fddb612aa1feae9fd3df7091354f/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/PlacementConstraints.md.vm#L89-L92