On Wed, May 25, 2022 at 10:55:18AM +0100, David Woodhouse wrote: > On Wed, 2022-05-25 at 10:34 +0200, Geert Uytterhoeven wrote: > > CC dwmw2 > > Thanks, Geert. > > > On Wed, May 25, 2022 at 10:07 AM Krzysztof Kozlowski > > <krzysztof.kozlowski@xxxxxxxxxx> wrote: > > > > > The address list is semi-random as I don't know whom to approach. > > > Problem: infradead.org corrupts email subjects by changing: > > > s/,/, / > > I found an old thread on mailman-users which appears to be claiming > that it's just standard folding as described in RFC2822 §2.2.3. > > https://mail.python.org/pipermail/mailman-users/2007-May/057119.html > > 2.2.3. Long Header Fields > > Each header field is logically a single line of characters comprising > the field name, the colon, and the field body. For convenience > however, and to deal with the 998/78 character limitations per line, > the field body portion of a header field can be split into a multiple > line representation; this is called "folding". The general rule is > that wherever this standard allows for folding white space (not > simply WSP characters), a CRLF may be inserted before any WSP. For > example, the header field: > > Subject: This is a test > > can be represented as: > > Subject: This > is a test > > But this is folding at a *comma*, not at whitespace. The original > subject line was (in a single line): > > Subject: [PATCH v2] dt-bindings: mtd: jedec,spi-nor: remove unneeded properties > > ... and Mailman 'folded' it in the wrong place to: > > Subject: [PATCH v2] dt-bindings: mtd: jedec, > spi-nor: remove unneeded properties > > That *isn't* proper folding because it didn't happen at a whitespace. > > I do need to upgrade to Mailman 3 at some point; I've been > procrastinating on the basis that it "ain't broke". For the time being > I've just disabled folding in MM2 with a trivial hack: > > --- Message.py.orig 2022-05-25 02:51:05.917145192 -0700 > +++ Message.py 2022-05-25 02:50:44.137142069 -0700 > @@ -49,7 +49,7 @@ class Generator(email.Generator.Generato > Headers will by default _not_ be folded in attachments. > """ > def __init__(self, outfp, mangle_from_=True, > - maxheaderlen=78, children_maxheaderlen=0): > + maxheaderlen=0, children_maxheaderlen=0): > email.Generator.Generator.__init__(self, outfp, > mangle_from_=mangle_from_, maxheaderlen=maxheaderlen) > self.__children_maxheaderlen = children_maxheaderlen For the record: Some time ago I debugged that myself, too and found an equivalent change. So this looks good to me. Best regards and thanks for caring, Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://www.pengutronix.de/ |
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