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From: Jim Davis <jim.epost@gmail.com>
Date: Wed, 9 Aug 2017 16:53:12 -0700
Message-ID: <CA+r1Zhj5+RWdHRS45Ww1aRB9gLak6Z3uHk-pe_T2koJZrR4adg@mail.gmail.com>
Subject: make pdfdocs problem with 4.13-rc4
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        linux-kernel <linux-kernel@vger.kernel.org>
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On my Fedora 26 workstation, with the latest patches, running make
pdfdocs stops with

[jim@krebstar ~]$ tail /tmp/make-pdfdocs.out

Underfull \hbox (badness 10000) in paragraph at lines 3980--3983
[]\EU1/DejaVuSans(0)/m/n/10 Threshold below
[31]
! Missing \endgroup inserted.
<inserted text>
                \endgroup
l.4114 \begin{savenotes}\sphinxattablestart

?

Pressing the return key (many times) doesn't solve the problem, and
eventually make fizzles out with

make[2]: *** [Makefile:33: media.pdf] Error 1
make[1]: *** [Documentation/Makefile:83: pdfdocs] Error 2
make: *** [Makefile:1473: pdfdocs] Error 2

Oh, and

[jim@krebstar ~]$ grep 'LaTeX Warning:' /tmp/make-pdfdocs.out | wc -l
5438

-- 
Jim