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gh-143916: Allow HTAB in wsgiref header values#144118

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sethmlarson merged 4 commits intopython:mainfrom
sethmlarson:allow-htab-in-http-headers
Feb 12, 2026
Merged

gh-143916: Allow HTAB in wsgiref header values#144118
sethmlarson merged 4 commits intopython:mainfrom
sethmlarson:allow-htab-in-http-headers

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@sethmlarson sethmlarson commented Jan 21, 2026

In #143917 we were overzealous, HTAB (0x09) is allowed in header values but not header names.

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