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textwrap can leave a trailing space before long word #139065

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#139070
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textwrap can leave a trailing space before long word#139065
#139070
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serhiy-storchaka
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3.13only security fixes3.14bugs and security fixes3.15bugs and security fixesstdlibStandard Library Python modules in the Lib/ directorytype-bugAn unexpected behavior, bug, or error

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@serhiy-storchaka
serhiy-storchaka
opened on Sep 17, 2025

Bug report

>>> textwrap.wrap('Did you say "supercalifragilisticexpialidocious?" How *do* you spell that odd word, anyways?', 12)
['Did you say ', '"supercalifr', 'agilisticexp', 'ialidocious?', '" How *do*', 'you spell', 'that odd', 'word,', 'anyways?']

Note a trailing space in the first line. No trailing spaces in other lines.

This is even in the tests, but I do not think it is an intentional behavior. The bug was introduced in the fix for:

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Activity

  1. serhiy-storchaka
    self-assigned this
    on Sep 17, 2025
  2. serhiy-storchaka
    added
    type-bugAn unexpected behavior, bug, or error
    3.13only security fixes
    3.14bugs and security fixes
    3.15bugs and security fixes
    on Sep 17, 2025
  3. StanFromIreland
    added
    stdlibStandard Library Python modules in the Lib/ directory
    on Sep 17, 2025
  4. serhiy-storchaka
    added 2 commits that reference this issue on Sep 17, 2025

    pythongh-139065: Fix trailing space before long word in textwrap

    30ea5ce

    pythongh-139065: Fix trailing space before long word in textwrap

    c302389
  5. serhiy-storchaka
    linked a pull request that will close this issuegh-139065: Fix trailing space before long word in textwrap #139070on Sep 19, 2025
  6. serhiy-storchaka
    added a commit that references this issue on Oct 10, 2025

    gh-139065: Fix trailing space before long word in textwrap (GH-139070)

    1c598e0
  7. serhiy-storchaka
    closed this as completedin #139070on Oct 10, 2025
  8. miss-islington
    added 2 commits that reference this issue on Oct 10, 2025

    pythongh-139065: Fix trailing space before long word in textwrap (pyt…

    0477dee

    pythongh-139065: Fix trailing space before long word in textwrap (pyt…

    203561e
  9. serhiy-storchaka
    added 2 commits that reference this issue on Oct 10, 2025

    [3.13] gh-139065: Fix trailing space before long word in textwrap (GH…

    b1bc743

    [3.14] gh-139065: Fix trailing space before long word in textwrap (GH…

    ade6dea
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3.13only security fixes3.14bugs and security fixes3.15bugs and security fixesstdlibStandard Library Python modules in the Lib/ directorytype-bugAn unexpected behavior, bug, or error

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