[ARROW-12089] [Doc] Fix warnings when building Sphinx docs

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0
• Component/s: Documentation
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/27914
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 25/Mar/21 16:43
• Updated: 11/Jan/23 08:24
• Resolved: 31/Mar/21 11:51

Description

Some warnings are due to invalid markup or ambiguous cross-references.

Issue Links

• links to: GitHub Pull Request #9848