If invoking 'man' fails, M-x man crashes, with errors:
error in process sentinel: read-event: Buffer is read-only: #<buffer *Man xyzzy*>
error in process sentinel: Buffer is read-only: #<buffer *Man xyzzy*>
To reproduce from 'emacs -Q':
M-x man RET
xyzzy RET
In GNU Emacs 26.1.90 (build 1, x86_64-w64-mingw32)
of 2018-11-22 built on [redacted]
Repository revision: 93242b14769ed40ae58e89d0ea45df8872f59869
Windowing system distributor 'Microsoft Corp.', version 6.1.7601
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Invoking man xyzzy in the background
error in process sentinel: read-event: Buffer is read-only: #<buffer *Man xyzzy*>
error in process sentinel: Buffer is read-only: #<buffer *Man xyzzy*>
Configured using:
'configure --config-cache --with-modules --without-pop --without-dbus
--without-gconf --without-gsettings 'CFLAGS=-O3 -ggdb3''
Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB
TOOLKIT_SCROLL_BARS MODULES THREADS LCMS2
Important settings:
value of $LANG: ENG
locale-coding-system: cp1252
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Load-path shadows:
None found.
Features:
(shadow sort mail-extr emacsbug message rmc puny seq byte-opt gv
bytecomp byte-compile cconv dired dired-loaddefs format-spec rfc822 mml
mml-sec password-cache epa derived epg epg-config gnus-util rmail
rmail-loaddefs mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils imenu man easymenu cl-loaddefs cl-lib
ansi-color elec-pair time-date mule-util tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel dos-w32 ls-lisp disp-table
term/w32-win w32-win w32-vars term/common-win tool-bar dnd fontset image
regexp-opt fringe tabulated-list replace newcomment text-mode elisp-mode
lisp-mode prog-mode register page menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang
vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932
hebrew greek romanian slovak czech european ethiopic indian cyrillic
chinese composite charscript charprop case-table epa-hook jka-cmpr-hook
help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs
button faces cus-face macroexp files text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote threads w32notify w32 lcms2 multi-tty make-network-process
emacs)
Memory information:
((conses 16 99435 9461)
(symbols 48 20447 1)
(miscs 40 40 95)
(strings 32 30599 928)
(string-bytes 1 792435)
(vectors 16 14455)
(vector-slots 8 505151 11586)
(floats 8 56 218)
(intervals 56 239 8)
(buffers 992 12))