[Bug 1850803] [NEW] Wrong wrap length when composing emails

[Alistair Cunningham]

Public bug reported:

After upgrading to Ubuntu 19.10, Thunderbird seems to use the wrong wrap
length when composing emails. I have mail.wrap_long_lines set to true,
and mailnews.wraplength set to 72, but when composing emails, lines are
wrapped at a  shorter length. It appears to be about 55 characters.
Emails that I have sent are displayed correctly, so the problem only
happens when composing.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: thunderbird 1:68.1.2+build1-0ubuntu1
ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
Uname: Linux 5.3.0-19-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
AddonCompatCheckDisabled: False
ApportVersion: 2.20.11-0ubuntu8.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  alistair  30823 F.... pulseaudio
BuildID: 20191010144232
Channel: Unavailable
CurrentDesktop: Unity:Unity7:ubuntu
Date: Thu Oct 31 10:47:12 2019
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
 dns-search integrics.com
IncompatibleExtensions:
 Lightning - {e2fda1a4-762b-4020-b5ad-a41df1933103}
 English (GB) Language Pack - langpack-en-GB at thunderbird.mozilla.org
 Thunderbird (default) - {972ce4c6-7e08-4474-a285-3208198ce6fd}
InstallationDate: Installed on 2017-08-16 (805 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
IpRoute:
 default via 172.20.64.1 dev wlp58s0 proto dhcp metric 600 
 169.254.0.0/16 dev wlp58s0 scope link metric 1000 
 172.20.64.0/19 dev wlp58s0 proto kernel scope link src 172.20.71.127 metric 600
MostRecentCrashID: bp-f7ee5fe5-1543-4438-9493-dbd8f0170707
PrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/thunderbird/omni.ja:greprefs.js:1141
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=68.1.2/20191010144232 (In use)
RunningIncompatibleAddons: True
SourcePackage: thunderbird
UpgradeStatus: Upgraded to eoan on 2019-10-04 (26 days ago)
dmi.bios.date: 08/30/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: N1WET56W (1.35 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20HFCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: dmi:bvnLENOVO:bvrN1WET56W(1.35):bd08/30/2019:svnLENOVO:pn20HFCTO1WW:pvrThinkPadT470s:rvnLENOVO:rn20HFCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T470s
dmi.product.name: 20HFCTO1WW
dmi.product.sku: LENOVO_MT_20HF_BU_Think_FM_ThinkPad T470s
dmi.product.version: ThinkPad T470s
dmi.sys.vendor: LENOVO

** Affects: thunderbird (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug eoan

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https://bugs.launchpad.net/bugs/1850803

Title:
  Wrong wrap length when composing emails

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