Bump ex_doc from 0.19.1 to 0.21.0

[dependabot-preview]

Bumps ex_doc from 0.19.1 to 0.21.0.

Changelog

Sourced from ex_doc's changelog.

v0.21.0

• Enhancements

  • [HTML] Add support for reference popovers
  • [HTML] Provide a "g" shortcut to Go To a Hexdocs package (with autocomplete)
  • [HTML] Detect if browser prefers night mode
  • [EPUB] Add support for covers and the authors field

• Bug fixes

  • [HTML+EPUB] Ensure that link headers generate unique IDs
  • [HTML+EPUB] Sort structs fields so field names are always ordered
  • [HTML+EPUB] Do not strip "Elixir." prefix from module names
  • [HTML] Support URLs with non-HTML safe characters
  • [EPUB] Fix table of contents without groups

v0.20.2

• Enhancements

  • Add "mix " prefix to Mix tasks

• Bug fixes

  • Improve scrolling on Safari
  • Prevent text casing of codes
  • Do not remove stop words from search and make sure function names are searchable in isolation
  • Reduce the size of the search metadata
  • Remove outline on focus and keep width in version dropdown
  • Do not fail if we can't persist index

v0.20.1

• Bug fixes
  • Hide the spinner when no term is searched
  • Use ? for the shortcut hint text
  • Improve style of the version dropdown

v0.20.0

• Enhancements

  • Rework the search bar to provide autocompletion
  • Provide full-text search
  • Automatically generate documentation for defdelegate definitions (requires Elixir v1.8+)
  • Provide keyboard shortcuts (press ? to see all available outputs) or click the link at the bottom of the page
  • Add support for versions dropdown to the HTML sidebar. This requires adding a docs_config.js (also configurable) that sets a versionNodes JavaScript variable.
  • Improve mouseover titles on sidebar navigation

• Bug fixes

  • Do not hide structs in type/callback summary signatures
  • No longer require double click to open up a sidebar on Mobile Safari
  • Keep trailing periods in summaries
  • Fix typespec arg number to start from 1 instead of 0

... (truncated)

Commits

• d1d1943 Release v0.21.0
• 9122e9d Configure Makeup to use <samp> instead of <span> (#1040)
• 9e72488 Do not strip "Elixir." from text in fully namespaced calls (#1044)
• 098b99f Handle fully namespace modules correctly
• 8176680 Add Reference Popovers (#1025)
• 55ffb45 No need to escape URI encoded result as URI encodes <, >, and double quotes
• bfe2587 Encode URL fragments with a URI.encode/1 (#1042)
• 9f0f73c Use stages in Travis (#1039)
• 3a7ec50 Travis: Reverse sort Elixir versions in matrix (#1037)
• 3587787 Update formatter and travis (#1035)
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #10.