Six places still told users to `pip install 'markitdown[all]'`: the
"markitdown library not available" error hints in arxiv_tool, core_tool and
semantic_scholar_tool, plus the fulltext access guide and the markitdown
example.
That is the extra the previous commit removed, and for the same reasons: it
pins youtube-transcript-api~=1.0.0 (`Requires-Python <3.14`), and since
markitdown 0.1.6 it also requires a prerelease-only Azure dependency, so a
default resolver silently backtracks to markitdown 0.1.5. A user following
the hint on Python 3.14 lands on a MarkItDown whose YouTube converter is
registered but cannot fetch transcripts.
All six now name the same converter extras the project declares. No test
asserts on these strings.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01A2xx4ELgtuMxiDema4LaEh
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