[BRLTTY] brltty 6.4 often crashes how to debug?
高生旺
coscell at gmail.com
Thu Dec 16 05:19:31 EST 2021
Attached.
On Thu, 16 Dec 2021, Didier Spaier wrote:
> Date: Thu, 16 Dec 2021 11:18:17 +0100
> From: Didier Spaier <didier at slint.fr>
> Reply-To: Informal discussion between users and developers of BRLTTY.
> <brltty at brltty.app>
> To: brltty at brltty.app
> Subject: Re: [BRLTTY] brltty 6.4 often crashes how to debug?
>
> I am not sure to understand.
>
> Please attach your /etc/brltty.conf to your next message.
>
> Cheers,
> Didier
>
> Le 16/12/2021 à 03:01, 高生旺 a écrit :
>> How about to set braille variant to contracted table and braille table = zh-tw.ctb?
>> If it works then run brltty -V.
>>
>> On Wed, 15 Dec 2021, Didier Spaier wrote:
>>
>>> Date: Wed, 15 Dec 2021 19:43:15 +0100
>>> From: Didier Spaier <didier at slint.fr>
>>> Reply-To: Informal discussion between users and developers of BRLTTY.
>>> <brltty at brltty.app>
>>> To: brltty at brltty.app
>>> Subject: Re: [BRLTTY] brltty 6.4 often crashes how to debug?
>>>
>>> Le 15/12/2021 à 18:23, Dave Mielke a écrit :
>>>> [quoted lines by Didier Spaier on 2021/12/15 at 15:51 +0100]
>>>>
>>>>> Dave has tagged 6.4.1 a few days ago. I will package it for Slint and see
>>>>> what I
>>>>> come up with.
>>>>
>>>> Actually, please don't. It's for testing an experimental change.
>>>
>>> OK, I won't. Nevertheless no issue here:
>>>
>>> LANG=zh_CN.utf8 brltty -V
>>> BRLTTY 6.4.1 rev unknown [https://brltty.app/]
>>> brltty: 記錄等級: 沒有
>>> brltty: 訊息語言: zh_CN.utf8
>>> brltty: 訊息種類: brltty
>>> brltty: 訊息目錄: /usr/share/locale
>>> brltty: Autospeak Threshold: none
>>> brltty: 權限參數: path=/bin:/usr/bin
>>> brltty: 權限參數: scfmode=
>>> brltty: 權限參數: shell=/bin/bash
>>> brltty: 權限參數: user=brltty
>>> brltty: 切換到未授權使用者: brltty
>>> brltty: 工作目錄變更: /var/lib/brltty
>>> brltty: kernel module not installed: pcspkr
>>> brltty: Copyright © 1995-2021 by The BRLTTY Developers
>>> brltty: BrlAPI Server: release 0.8.3
>>> brltty: Copyright (C) 2002-2021 by Sébastien Hinderer
>>> <Sebastien.Hinderer at ens-lyon.org>, Samuel Thibault <samuel.thibault at ens-lyon.org>
>>>
>>> same for zh_TW.utf8, also tried other locales and started as didier.
>>>
>>> Cheers,
>>> Didier
>>> _______________________________________________
>>> This message was sent via the BRLTTY mailing list.
>>> To post a message, send an e-mail to: BRLTTY at brltty.app
>>> For general information, go to: http://brltty.app/mailman/listinfo/brltty
>>
>> _______________________________________________
>> This message was sent via the BRLTTY mailing list.
>> To post a message, send an e-mail to: BRLTTY at brltty.app
>> For general information, go to: http://brltty.app/mailman/listinfo/brltty
> _______________________________________________
> This message was sent via the BRLTTY mailing list.
> To post a message, send an e-mail to: BRLTTY at brltty.app
> For general information, go to: http://brltty.app/mailman/listinfo/brltty
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# Documents/brltty.conf. Generated from brltty.conf.in by configure.
###############################################################################
# BRLTTY - A background process providing access to the console screen (when in
# text mode) for a blind person using a refreshable braille display.
#
# Copyright (C) 1995-2020 by The BRLTTY Developers.
#
# BRLTTY comes with ABSOLUTELY NO WARRANTY.
#
# This is free software, placed under the terms of the
# GNU Lesser General Public License, as published by the Free Software
# Foundation; either version 2.1 of the License, or (at your option) any
# later version. Please see the file LICENSE-LGPL for details.
#
# Web Page: http://brltty.app/
#
# This software is maintained by Dave Mielke <dave at mielke.cc>.
###############################################################################
# This is a configuration file template for the BRLTTY application.
# Uncomment those entries which apply to your personal needs and system
# requirements.
# BRLTTY expects to find its configuration file in "/etc/brltty.conf"
# (can be overridden with the -f [--configuration-file=] option).
# If it doesn't exist, then BRLTTY silently continues but may require
# that certain command line options be explicitly supplied.
# Blank lines are ignored. The character '#', anywhere on a line,
# initiates a comment; all characters from it to the end of that line
# are ignored.
# Each configuration entry consists of a keyword followed by its operand.
# An arbitrary amount of white space, (blanks and/or tabs), may occur
# before the keyword, as well as before and after the operand. Keyword
# processing is not case sensitive. Examples of valid entries are:
#
# Braille-Driver pm # Papenmeier braille displays.
# braille-device serial:ttyS0 # The first serial device.
# SPEECH-DRIVER fv # The Festival Text to Speech System.
# The default settings given within the following descriptions assume no
# special build options (see "./configure --help" in the top-level
# directory of the source tree.
############################
# Generic Braille Settings #
############################
# The braille-driver directive specifies the two-letter driver
# identification code of the driver for the braille display.
# If not specified, autodetection will be performed.
# If more than one driver, separated by commas, is specified,
# then autodetection will be performed amongst them.
# (can be overridden with the -b [--braille-driver=] option)
#braille-driver auto # autodetect
#braille-driver al # Alva
#braille-driver at # Albatross
#braille-driver ba # BrlAPI
#braille-driver bc # BrailComm
#braille-driver bd # Braudi
#braille-driver bg # B2G
#braille-driver bl # BrailleLite
#braille-driver bm # Baum
#braille-driver bn # BrailleNote
#braille-driver cb # CombiBraille
#braille-driver ce # Cebra
#braille-driver cn # Canute
#braille-driver ec # EcoBraille
#braille-driver eu # EuroBraille
#braille-driver fs # FreedomScientific
#braille-driver hd # Hedo
#braille-driver hm # HIMS
#braille-driver ht # HandyTech
#braille-driver hw # HumanWare
#braille-driver ic # Inceptor
#braille-driver ir # Iris
#braille-driver lb # Libbraille
#braille-driver lt # LogText
#braille-driver mb # MultiBraille
#braille-driver md # MDV
#braille-driver mm # BrailleMemo
#braille-driver mn # MiniBraille
#braille-driver mt # Metec
#braille-driver np # NinePoint
#braille-driver pg # Pegasus
#braille-driver pm # Papenmeier
#braille-driver sk # Seika
#braille-driver tn # TechniBraille
#braille-driver ts # TSI
#braille-driver tt # TTY
#braille-driver vd # VideoBraille
#braille-driver vo # Voyager, BraillePen/EasyLink
#braille-driver vr # Virtual
#braille-driver vs # VisioBraille
#braille-driver xw # XWindow
# The braille-device directive specifies the device to which the braille
# display is connected. The generic syntax is type:device. The device
# type is optional, and, for backward compatibility, defaults to serial.
# The following devices are supported (brackets indicate optionality):
# serial:path (relative paths are anchored at "/dev")
# usb:[serial-number]
# bluetooth:address
# If not specified, "usb:,bluetooth:" will be used.
# If more than one device, separated by commas, is specified,
# then each of them will be probed in turn.
# (can be overridden with the -d [--braille-device=] option)
#braille-device serial:ttyS0 # First serial device.
#braille-device usb: # First USB device matching braille driver.
#braille-device usb:nnnnn # Specific USB device by serial number.
#braille-device bluetooth:xx:xx:xx:xx:xx:xx # Specific bluetooth device by address.
#
# NOTE: If the device is connected via a serial-to-USB adapter then setting
# braille-device to usb: will not work. In this case it needs to identify the
# virtual serial device which the kernel has created for the adapter, i.e. to
# something like serial:ttyUSB0 (see the kernel messages on device plug to get
# the actual device name).
# The release-device directive specifies whether or not the device to which the
# braille display is connected is to be released when the current screen or
# window can't be read by BRLTTY. If not specified, "on" will be used on Windows
# platforms and "off" will be used on all other platforms.
# (can be overridden with the -r [--release-device] option)
#release-device on # Release the device.
#release-device off # Don't release the device.
# The text-table directive specifies which text table to use. Relative paths
# are anchored at "/etc/brltty/Text". If not specified, locale-based
# autoselection with fallback to "en-nabcc" will be performed.
# (can be overridden with the -t [--text-table=] option)
#text-table auto # locale-based autoselection
#text-table ar # Arabic (generic)
#text-table as # Assamese
#text-table awa # Awadhi
#text-table bg # Bulgarian
#text-table bh # Bihari
#text-table bn # Bengali
#text-table bo # Tibetan
#text-table bra # Braj
#text-table brf # Braille Ready Format (for viewing .brf files within an editor or pager)
#text-table cs # Czech
#text-table cy # Welsh
#text-table da # Danish
#text-table da-1252 # Danish (Svend Thougaard, 2002-11-18)
#text-table da-lt # Danish (LogText)
#text-table de # German
#text-table dra # Dravidian
#text-table el # Greek
#text-table en # English
#text-table en_CA # English (Canada)
#text-table en_GB # English (United Kingdom)
#text-table en_US # English (United States)
#text-table en-nabcc # English (North American Braille Computer Code)
#text-table eo # Esperanto
#text-table es # Spanish
#text-table et # Estonian
#text-table fi # Finnish
#text-table fr # French
#text-table fr_CA # French (Canada)
#text-table fr_FR # French (France)
#text-table fr-2007 # French (unified 2007)
#text-table fr-cbifs # French (Code Braille Informatique Français Standard)
#text-table fr-vs # French (VisioBraille)
#text-table ga # Irish
#text-table gd # Gaelic
#text-table gon # Gondi
#text-table gu # Gujarati
#text-table he # Hebrew
#text-table hi # Hindi
#text-table hr # Croatian
#text-table hu # Hungarian
#text-table hy # Armenian
#text-table is # Icelandic
#text-table it # Italian
#text-table kha # Khasi
#text-table kn # Kannada
#text-table kok # Konkani
#text-table kru # Kurukh
#text-table lt # Lituanian
#text-table lv # Latvian
#text-table mg # Malagasy
#text-table mi # Maori
#text-table ml # Malayalam
#text-table mni # Manipuri
#text-table mr # Marathi
#text-table mt # Maltese
#text-table mun # Munda
#text-table mwr # Marwari
#text-table ne # Nepali
#text-table new # Newari
#text-table nl # Dutch
#text-table nl_BE # Dutch (Belgium)
#text-table nl_NL # Dutch (Netherlands)
#text-table no # Norwegian
#text-table no-generic # Norwegian (with support for other languages)
#text-table no-oup # Norwegian (Offentlig utvalg for punktskrift)
#text-table nwc # Newari (old)
#text-table or # Oriya
#text-table pa # Panjabi
#text-table pi # Pali
#text-table pl # Polish
#text-table pt # Portuguese
#text-table ro # Romanian
#text-table ru # Russian
#text-table se # Sami (Northern)
#text-table sa # Sanskrit
#text-table sat # Santali
#text-table sd # Sindhi
#text-table sk # Slovak
#text-table sl # Slovenian
#text-table sv # Swedish
#text-table sv-1989 # Swedish (1989 standard)
#text-table sv-1996 # Swedish (1996 standard)
#text-table sw # Swahili
#text-table ta # Tamil
#text-table te # Telugu
#text-table tr # Turkish
#text-table uk # Ukrainian
#text-table vi # Vietnamese
# The attributes-table directive specifies which attributes table to use.
# Relative paths are anchored at "/etc/brltty/Attributes". If not specified,
# "left_right" will be used.
# (can be overridden with the -a [--attributes-table=] option)
#attributes-table left_right # foreground colour in the left column and background colour in the right column
#attributes-table invleft_right # inverse foreground colour in the left column and background colour in the right column
#attributes-table upper_lower # foreground colour in the upper square and background colour in the lower square
# The contraction-table directive specifies which contraction table to use.
# Relative paths are anchored at "/etc/brltty/Contraction". If not specified, no
# contraction table will be available.
# (can be overridden with the -c [--contraction-table=] option)
#contraction-table af # Afrikaans (contracted)
#contraction-table am # Amharic (uncontracted)
#contraction-table de-g0 # German (uncontracted)
#contraction-table de-g1 # German (basic contractions)
#contraction-table de-g2 # German (contracted - 1998 standard)
#contraction-table de-1998 # German (contracted - 1998 standard)
#contraction-table de-2015 # German (contracted - 2015 standard)
#contraction-table en-ueb-g2 # English (Unified English Braille, grade 2)
#contraction-table en-us-g2 # English (US, grade 2)
#contraction-table es # Spanish (grade 2)
#contraction-table fr-g1 # French (uncontracted)
#contraction-table fr-g2 # French (contracted)
#contraction-table ha # Hausa (contracted)
#contraction-table id # Indonesian (contracted)
#contraction-table ja # Japanese (uncontracted)
#contraction-table ko-g1 # Korean (grade 1)
#contraction-table ko-g2 # Korean (grade 2)
#contraction-table ko # Korean (uncontracted)
#contraction-table lt # Lithuanian (uncontracted)
#contraction-table mg # Malagasy (contracted)
#contraction-table mun # Munda (contracted)
#contraction-table nl # Dutch (contracted)
#contraction-table ny # Chichewa (contracted)
#contraction-table ipa # International Phonetic Alphabet
#contraction-table pt # Portuguese (grade 2)
#contraction-table si # Sinhalese (uncontracted)
#contraction-table sw # Swahili (contracted)
#contraction-table th # Thai (contracted)
contraction-table zh-tw # Chinese (Taiwan, uncontracted)
#contraction-table zh-tw-ucb # Chinese (Taiwan, Unique Chinese Braille)
#contraction-table zu # Zulu (contracted)
#############################
# Braille Driver Parameters #
#############################
# The braille-parameters directive passes non-generic parameters through
# to the braille driver.
# (can be overridden with the -B [--braille-parameters=] option)
#braille-parameters driver:parameter=setting,...
# Alva Braille Driver Parameters
#braille-parameters al:RotatedCells=no # [no,yes]
#braille-parameters al:SecondaryRoutingKeyEmulation=no # [no,yes]
# BrlAPI Braille Driver Parameters
#braille-parameters ba:Auth=/etc/brlapi.key
#braille-parameters ba:Host=:0
# BrailleLite Braille Driver Parameters
#braille-parameters bl:BaudRate=9600 # [300,600,1200,2400,4800,9600,19200,38400]
#braille-parameters bl:KbEmu=yes # [yes,no]
# Baum Braille Driver Parameters
#braille-parameters bm:Protocol=default # [default,escape,hid1,hid2,ht,pb]
#braille-parameters bm:VarioKeys=no # [no,yes]
# EuroBraille Braille Driver Parameters
#braille-parameters eu:Protocol= # [auto,azerbraille,clio,eurobraille,notebraille,pupibraille,scriba,esys,esytime,iris,esysiris]
# HandyTech Braille Driver Parameters
#braille-parameters ht:SetTime=no # [no,yes]
# Iris Braille Driver Parameters
#braille-parameters ir:Embedded= # [no,yes]
#braille-parameters ir:LatchDelay=10 # [0-100] (tenths of a second)
#braille-parameters ir:Protocol= # [eurobraille,native]
# Libbraille Braille Driver Parameters
#braille-parameters lb:Device=/dev/ttyS0 #
#braille-parameters lb:Driver=auto #
#braille-parameters lb:Table=us.tbl #
# TSI Braille Driver Parameters
#braille-parameters ts:HighBaud=yes # [yes,no]
#braille-parameters ts:SetBaud=9600 # [4800,9600,19200]
# TTY Braille Driver Parameters
#braille-parameters tt:Baud=9600 #
#braille-parameters tt:CharSet=ISO8859-1 #
#braille-parameters tt:Columns=40 # [1-80]
#braille-parameters tt:Lines=1 # [1-3]
#braille-parameters tt:Locale= #
#braille-parameters tt:Term=vt100 # [terminfo]
# VisioBraille Braille Driver Parameters
#braille-parameters vs:Baud=57600 #
#braille-parameters vs:DisplaySize=40 # [20-40]
#braille-parameters vs:PromVersion=4 # [3-6]
# XWindow Braille Driver Parameters
#braille-parameters xw:Columns=40 # [1-80]
#braille-parameters xw:Font=name # []
#braille-parameters xw:Input=off # [off,on]
#braille-parameters xw:Lines=1 # [1-3]
#braille-parameters xw:Model=bare # [bare]
#braille-parameters xw:TkParms= #
###########################
# Generic Speech Settings #
###########################
# The speech-driver directive specifies the two-letter driver
# identification code of the driver for the speech synthesizer.
# If not specified, autodetection will be performed.
# If more than one driver, separated by commas, is specified,
# then autodetection will be performed amongst them.
# (can be overridden with the -s [--speech-driver=] option)
#speech-driver auto # autodetect
#speech-driver al # Alva
#speech-driver an # Android (text to speech engine)
#speech-driver bl # BrailleLite
#speech-driver cb # CombiBraille
#speech-driver en # eSpeak-NG (text to speech engine)
#speech-driver es # eSpeak (text to speech engine)
#speech-driver fl # FestivalLite (text to speech engine)
#speech-driver fv # Festival (text to speech engine)
#speech-driver gs # GenericSay (pipes to /usr/local/bin/say)
#speech-driver mp # Mikropuhe (text to speech engine)
#speech-driver sd # SpeechDispatcher (text to speech server)
#speech-driver sw # Swift (text to speech engine)
#speech-driver th # Theta (text to speech engine)
#speech-driver vv # ViaVoice (text to speech engine)
#speech-driver xs # ExternalSpeech (executes /usr/local/bin/externalspeech)
# The quiet-if-no-braille directive fully disables the autospeak feature.
# Screen content won't be automatically spoken when braille isn't being used.
# (can be overridden with the -Q [--quiet-if-no-braille=] option)
#quiet-if-no-braille off # [off,on]
# The speech-input directive specifies the name of the file system object
# (FIFO, named pipe, named socket, etc) which can be used by external
# applications for text-to-speech conversion via BRLTTY's speech driver.
# Relative paths are anchored at the current working directory. If not
# specified, the file system object isn't created.
# (can be overridden with the -i [--speech-input=] option)
#speech-input /path/to/file-system-object
############################
# Speech Driver Parameters #
############################
# The speech-parameters directive passes non-generic parameters through
# to the speech driver.
# (can be overridden with the -S [--speech-parameters=] option)
#speech-parameters driver:parameter=setting,...
# eSpeak Speech Driver Parameters
#speech-parameters es:MaxRate=450 # [80-]
#speech-parameters es:Path=
#speech-parameters es:PunctList=
#speech-parameters es:Voice=default
# eSpeak-NG Speech Driver Parameters
#speech-parameters en:MaxRate=450 # [80-]
#speech-parameters en:Path=
#speech-parameters en:PunctList=
#speech-parameters en:Voice=en
# ExternalSpeech Speech Driver Parameters
#speech-parameters xs:Socket_Path=/tmp/exs-data
# Festival Speech Driver Parameters
#speech-parameters fv:Command=festival # [/path/to/command]
#speech-parameters fv:Name= # [kevin,kal]
# FestivalLite Speech Driver Parameters
#speech-parameters fl:Pitch=100 # [50-200]
# GenericSay Speech Driver Parameters
#speech-parameters gs:Command=/usr/local/bin/say
# Mikropuhe Speech Driver Parameters
#speech-parameters mp:Name= # [/path/to/mikropuhe/name.pu5]
#speech-parameters mp:Pitch=0 # [-10-10]
# SpeechDispatcher Speech Driver Parameters
#speech-parameters sd:Language= # [two-letter language code]
#speech-parameters sd:Module= # [flite,festival,epos-generic,dtk-generic,...]
#speech-parameters sd:Port=6560 # [1-65535] # [1-65535]
#speech-parameters sd:Voice= # [male1,female1,male2,female2,male3,female3,child_male,child_female]
# Swift Speech Driver Parameters
#speech-parameters sw:Name= # [voice,/path/to/voice]
# Theta Speech Driver Parameters
#speech-parameters th:Age= # [1-99,-1--99]
#speech-parameters th:Gender= # [male,female,neuter]
#speech-parameters th:Language= # [two-letter language code]
#speech-parameters th:Name= # [voice,/path/to/voice]
#speech-parameters th:Pitch=0.0 # [-2.0-2.0]
# ViaVoice Speech Driver Parameters
#speech-parameters vv:Quality= # [fair,poor,good]
#speech-parameters vv:Mode= # [words,letters,punctuation,phonetic]
#speech-parameters vv:Synthesize= # [sentences,all]
#speech-parameters vv:Abbreviations= # [on,off]
#speech-parameters vv:Years= # [on,off]
#speech-parameters vv:Language= # [American-English, British-English, Castilian-Spanish, Mexican-Spanish, Standard-French, Canadian-French, Standard-German, Standard-Italian, Standard-Mandarin-GBK, Standard-Mandarin-PinYin, Standard-Mandarin-UCS2, Taiwanese-Mandarin-Big5, Taiwanese-Mandarin-ZhuYin, Taiwanese-Mandarin-PinYin, Taiwanese-Mandarin-UCS2, Brazilian-Portuguese, Standard-Japanese-SJIS, Standard-Japanese-UCS2, Standard-Finnish, Standard-Korean-UHC, Standard-Korean-UCS2, Standard-Cantonese-GBK, Standard-Cantonese-UCS2, HongKong-Cantonese-Big5, HongKong-Cantonese-UCS2, Standard-Dutch, Standard-Norwegian, Standard-Swedish, Standard-Danish, Standard-Thai-TIS620]
#speech-parameters vv:Voice= # [man,woman,child,patriarch,matriarch]
#speech-parameters vv:Gender= # [male,female]
#speech-parameters vv:HeadSize= # [0-100]
#speech-parameters vv:PitchBaseline= # [40-422 Hz]
#speech-parameters vv:Expressiveness= # [0-100] (pitch fluctuation)
#speech-parameters vv:Roughness= # [0-100]
#speech-parameters vv:Breathiness= # [0-100]
#speech-parameters vv:Volume= # [0-100 %]
#speech-parameters vv:Speed= # [70-1297 wpm]
#####################
# Keyboard Settings #
#####################
# The keyboard-table directive specifies which keyboard table to use. Relative paths are
# anchored at "/etc/brltty/Keyboard". If not specified, no keyboard table is used.
# (can be overridden with the -k [--keyboard-table=] option)
keyboard-table pc # bindings for braille keyboards
#keyboard-table desktop # bindings for full keyboards
#keyboard-table keypad # bindings for keypad-based navigation
#keyboard-table laptop # bindings for keyboards without a keypad
#keyboard-table sun_type6 # bindings for Sun Type 6 keyboards
# The keyboard-properties directive specifies which keyboards to monitor.
# If not specified, all keyboards are monitored.
# (can be overridden with the -K [--keyboard-properties=] option)
#keyboard-properties Type=any # [any,ps2,usb,bluetooth]
#keyboard-properties Vendor=0X0000 # [0X0000-0XFFFF]
#keyboard-properties Product=0X0000 # [0X0000-0XFFFF]
##################
# Sound Settings #
##################
# The pcm-device directive specifies the device to use for soundcard
# digital audio. If not specified, a method- and system-dependent
# default will be used.
# (can be overridden with the -p [--pcm-device=] option)
#pcm-device /path/to/device # most methods
#pcm-device pcm-handle-id # ALSA (see second parameter of snd_pcm_open)
# The midi-device directive specifies the device to use for the Musical
# Instrument Digital Interface. If not specified, a method- and
# system-dependent default will be used.
# (can be overridden with the -m [--midi-device=] option)
#midi-device /path/to/device # most methods
#midi-device client:port # ALSA (may use number or case-sensitive substring of name)
###################
# Logging Options #
###################
# The log-file directive specifies the file to which diagnostics are written.
# Relative paths are anchored at the current working directory. If not
# specified, diagnostics are written to the system log.
# (can be overridden with the -L [--log-file=] option)
#log-file /tmp/brltty.log
# The log-level directive specifies which event categories are to be
# logged as well as the severity threshold for uncategorized events.
# The category names and severity threshold are separated by commas.
# (can be overridden with the -l [--log-level=] option)
#log-level notice
# Only one severity threshold may be specified. Less severe uncategorized
# events will not be logged. If not specified, "notice" will be assumed.
# The severity thresholds are:
# emergency
# alert
# critical
# error
# warning
# notice
# information
# debug
# Any number of event categories may be enabled. Prefixing a category name
# with a minus sign [-] disables it (particularly useful if "all" is used).
# The categories are:
# all enable all of the categories
# ingio generic input
# inpkts input packets
# outpkts output packets
# brlkeys braille device key events
# kbdkeys keyboard key events
# csrtrk cursor tracking
# csrrtg cursor routing
# update update events
# speech speech events
# async asynchronous event scheduling
# server BrlAPI server events
# serial serial I/O
# usb USB I/O
# bluetooth Bluetooth I/O
# brldrv braille driver events
# spkdrv speech driver events
# scrdrv screen driver events
#######################
# Preference Settings #
#######################
# The preferences-file directive specifies the file in which to save the user's
# preferences. Relative paths are usually anchored at "/var/lib/brltty"
# (can be changed via the updatable-directory directive).
# If not specified, "brltty.prefs" will be used.
# (can be overridden with the -F [--preferences-file=] option)
#preferences-file brltty.prefs
# The override-preference directive can be used to explicitly specify the
# initial setting of any preference. More than one preference may be overridden
# by separating them by commas and/or by using this directive multiple times.
# (can be overridden with the -o [--override-preference=] option)
#override-preference preference=setting,...
##########################
# Miscellaneous Settings #
##########################
# The pid-file directive specifies the absolute path to a file that will
# contain BRLTTY's process identifier. It is removed when BRLTTY terminates.
# (can be overridden with the -P [--pid-file=] option)
#pid-file /run/brltty.pid
# The updatable-directory directive specifies the absolute path to a directory
# which contains files that can be updated (preferences, saved clipboard, etc).
# If not specified, "/var/lib/brltty" will be used.
# (can be overridden with the -U [--updatable-directory=] option)
#updatable-directory /var/lib/brltty
# The writable-directory directive specifies the absolute path to a directory
# which can be written to (creation of missing but needed resources, etc). If
# not specified, "/var/run/brltty" will be used.
# (can be overridden with the -W [--writable-directory=] option)
#writable-directory /var/run/brltty
# The drivers-directory directive specifies the absolute path to the
# directory which contains the dynamically loadable drivers. If not
# specified, /lib64/brltty will be used.
# (can be overridden with the -D [--drivers-directory=] option)
#drivers-directory /lib64/brltty
# The tables-directory directive specifies the absolute path to the directory
# which contains the text, attributes, contraction, keyboard, and input tables.
# If not specified, "/etc/brltty" will be used.
# (can be overridden with the -T [--tables-directory=] option)
#tables-directory /etc/brltty
# The start-message directive specifies the text to be shown when the braille
# driver starts and to be spoken when the speech driver starts. If not
# specified, "BRLTTY 6.1" will be used.
# (can be overridden with the -Y [--start-message=] option)
#start-message BRLTTY\s6.1
# The stop-message directive specifies the text to be shown when the braille
# driver stops. If not specified, "BRLTTY stopped" will be used.
# (can be overridden with the -Z [--stop-message=] option)
#stop-message BRLTTY\sstopped
################################################
# Application Programming Interface Parameters #
################################################
# The no-api directive disables the Application Programming Interface (API).
# (can be overridden with the -N [--no-api=] option)
#no-api off # [off,on]
# The api-parameters directive passes parameters to the Application
# Programming Interface.
# (can be overridden with the -A [--api-parameters=] option)
#api-parameters parameter=setting,...
#api-parameters Auth=keyfile:/etc/brlapi.key # Require authentication key
#api-parameters Auth=user:joe # Allow some local user
#api-parameters Auth=group:brl # Allow some local group
#api-parameters Auth=polkit # authenticate via Polkit
#api-parameters Host=:0 # Accept only local Unix connections
#api-parameters Host=0.0.0.0:0 # Accept any internet connection.
#api-parameters StackSize=65536
###########################
# Generic Screen Settings #
###########################
# The screen-driver directive specifies the two-letter driver
# identification code of the driver for the console screen.
# (can be overridden with the -x [--screen-driver=] option)
#screen-driver an # Android
#screen-driver as # AtSpi
#screen-driver a2 # AtSpi2
#screen-driver hd # Hurd
#screen-driver lx # Linux
#screen-driver pb # PCBIOS
#screen-driver sc # Screen
#screen-driver wn # Windows
############################
# Screen Driver Parameters #
############################
# The screen-parameters directive passes non-generic parameters through
# to the screen driver.
# (can be overridden with the -X [--screen-parameters=] option)
#screen-parameters driver:parameter=setting,...
# AtSpi Screen Driver Parameters
#screen-parameters as:Type=text+terminal # [text,terminal,all]+...
# AtSpi2 Screen Driver Parameters
#screen-parameters a2:Release=yes # [yes,no]
#screen-parameters a2:Type=default # [default,all,{terminal,text}+...]
# Linux Screen Driver Parameters
#screen-parameters lx:Charset=name+... # []
#screen-parameters lx:FallbackText=text # ""
#screen-parameters lx:HFB=auto # [auto,vga,fb,0-7]
#screen-parameters lx:LogSFM=no # [no,yes]
#screen-parameters lx:Unicode=yes # [yes,no]
#screen-parameters lx:VT=0 # [0-63]
# Windows Screen Driver Parameters
#screen-parameters wn:Root=no # [no,yes]
#screen-parameters wn:FollowFocus=yes # [yes,no]
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