Certain files -- such as Release Notes of the early FreeBSD-releases -- are served with the catch-all "octet-stream" type, instead of text/plain. For example: https://www.freebsd.org/releases/1.1.5/RELNOTES.FreeBSD https://www.freebsd.org/releases/1.1/RELNOTES.FreeBSD % HEAD https://www.freebsd.org/releases/1.1/RELNOTES.FreeBSD 200 OK Connection: close Date: Wed, 18 Feb 2015 23:27:56 GMT Via: 1.1 wfe0.ysv.FreeBSD.org Age: 0 ETag: "54e51e3e-2878" Server: ToTheCloud/v0.01 Content-Type: application/octet-stream Last-Modified: Wed, 18 Feb 2015 23:20:30 GMT ... They don't have the customary .txt extension, which might be confusing the server. Perhaps, mod_mime (or equivalent) should be added to the server to catch such things.
A commit references this bug: Author: carlavilla Date: Sun Dec 22 10:49:09 UTC 2019 New revision: 53705 URL: https://svnweb.freebsd.org/changeset/doc/53705 Log: Added the txt extension to old RELNOTES. With that change the RELNOTES can be showed in the web browser. PR: 197811 Submitted by: mi@ALDAN.algebra.com Patch by: carlavilla@ Differential Revision: https://reviews.freebsd.org/D22856 Changes: head/en_US.ISO8859-1/htdocs/releases/1.1/Makefile head/en_US.ISO8859-1/htdocs/releases/1.1/RELNOTES.FreeBSD head/en_US.ISO8859-1/htdocs/releases/1.1/RELNOTES.FreeBSD.txt head/en_US.ISO8859-1/htdocs/releases/1.1.5/Makefile head/en_US.ISO8859-1/htdocs/releases/1.1.5/RELNOTES.FreeBSD head/en_US.ISO8859-1/htdocs/releases/1.1.5/RELNOTES.FreeBSD.txt head/en_US.ISO8859-1/htdocs/releases/1.1.5/WHATS_NEW-1.1.5 head/en_US.ISO8859-1/htdocs/releases/1.1.5/WHATS_NEW-1.1.5.txt head/en_US.ISO8859-1/htdocs/releases/1.1.5.1/ANNOUNCEMENT.FreeBSD head/en_US.ISO8859-1/htdocs/releases/1.1.5.1/ANNOUNCEMENT.FreeBSD.txt head/en_US.ISO8859-1/htdocs/releases/1.1.5.1/Makefile head/en_US.ISO8859-1/htdocs/releases/1.1.5.1/WHATS_NEW-1.1.5.1 head/en_US.ISO8859-1/htdocs/releases/1.1.5.1/WHATS_NEW-1.1.5.1.txt head/en_US.ISO8859-1/htdocs/releases/index.xml
Fixed!