From 3a7d2e81c7fdc8c2e4b9810065028f4906fc28b3 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Fri, 18 Aug 2017 19:04:54 -0600
Subject: Implemented thread merging

It can happen that thread messages are not delivered in order, which
means we will have to merge threads once all messages are available.
---
 common/mail/threadindexer.cpp |  30 ++++-
 tests/CMakeLists.txt          |   1 +
 tests/mailthreadtest.cpp      |  64 +++++++++
 tests/mailthreadtest.h        |   1 +
 tests/threaddata/thread1      | 228 ++++++++++++++++++++++++++++++++
 tests/threaddata/thread2      | 129 ++++++++++++++++++
 tests/threaddata/thread3      | 184 ++++++++++++++++++++++++++
 tests/threaddata/thread4      | 187 ++++++++++++++++++++++++++
 tests/threaddata/thread5      | 119 +++++++++++++++++
 tests/threaddata/thread6      | 175 +++++++++++++++++++++++++
 tests/threaddata/thread7      | 297 ++++++++++++++++++++++++++++++++++++++++++
 tests/threaddata/thread8      | 253 +++++++++++++++++++++++++++++++++++
 tests/threaddata/thread9      | 283 ++++++++++++++++++++++++++++++++++++++++
 13 files changed, 1950 insertions(+), 1 deletion(-)
 create mode 100644 tests/threaddata/thread1
 create mode 100644 tests/threaddata/thread2
 create mode 100644 tests/threaddata/thread3
 create mode 100644 tests/threaddata/thread4
 create mode 100644 tests/threaddata/thread5
 create mode 100644 tests/threaddata/thread6
 create mode 100644 tests/threaddata/thread7
 create mode 100644 tests/threaddata/thread8
 create mode 100644 tests/threaddata/thread9

diff --git a/common/mail/threadindexer.cpp b/common/mail/threadindexer.cpp
index 4171d85..1401fc8 100644
--- a/common/mail/threadindexer.cpp
+++ b/common/mail/threadindexer.cpp
@@ -34,9 +34,37 @@ void ThreadIndexer::updateThreadingIndex(const QByteArray &identifier, const App
 
     QVector<QByteArray> thread;
 
-    //a child already registered our thread.
+    //check if a child already registered our thread.
     thread = index().secondaryLookup<Mail::MessageId, Mail::ThreadId>(messageId);
 
+    if (!thread.isEmpty()) {
+        //A child already registered our thread so we merge the childs thread
+        //* check if we have a parent thread, if not just continue as usual
+        //* get all messages that have the same threadid as the child
+        //* switch all to the parents thread
+        auto parentThread = index().secondaryLookup<Mail::MessageId, Mail::ThreadId>(parentMessageId);
+        if (!parentThread.isEmpty()) {
+            auto childThreadId = thread.first();
+            auto parentThreadId = parentThread.first();
+            SinkTrace() << "Merging child thread: " << childThreadId << " into parent thread: " << parentThreadId;
+
+            //Ensure this mail ends up in the correct thread
+            index().unindex<Mail::MessageId, Mail::ThreadId>(messageId, childThreadId, transaction);
+            //We have to copy the id here, otherwise it doesn't survive the subsequent writes
+            thread = QVector<QByteArray>() << QByteArray{parentThreadId.data(), parentThreadId.size()};
+
+            //Merge all child messages into the correct thread
+            auto childThreadMessageIds = index().secondaryLookup<Mail::ThreadId, Mail::MessageId>(childThreadId);
+            for (const auto &msgId : childThreadMessageIds) {
+                SinkTrace() << "Merging child message: " << msgId;
+                index().unindex<Mail::MessageId, Mail::ThreadId>(msgId, childThreadId, transaction);
+                index().unindex<Mail::ThreadId, Mail::MessageId>(childThreadId, msgId, transaction);
+                index().index<Mail::MessageId, Mail::ThreadId>(msgId, parentThreadId, transaction);
+                index().index<Mail::ThreadId, Mail::MessageId>(parentThreadId, msgId, transaction);
+            }
+        }
+    }
+
     //If parent is already available, add to thread of parent
     if (thread.isEmpty() && parentMessageId.isValid()) {
         thread = index().secondaryLookup<Mail::MessageId, Mail::ThreadId>(parentMessageId);
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index b0333a4..6a757ca 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -9,6 +9,7 @@ include_directories(
     )
 
 add_definitions(-DTESTDATAPATH="${CMAKE_CURRENT_SOURCE_DIR}/data")
+add_definitions(-DTHREADTESTDATAPATH="${CMAKE_CURRENT_SOURCE_DIR}/threaddata")
 
 find_package(KF5 COMPONENTS REQUIRED Mime)
 
diff --git a/tests/mailthreadtest.cpp b/tests/mailthreadtest.cpp
index 741eb78..9ed5d83 100644
--- a/tests/mailthreadtest.cpp
+++ b/tests/mailthreadtest.cpp
@@ -21,6 +21,7 @@
 #include <QtTest>
 
 #include <QString>
+#include <QFile>
 #include <KMime/Message>
 
 #include "store.h"
@@ -185,4 +186,67 @@ void MailThreadTest::testIndexInMixedOrder()
     /* VERIFYEXEC(ResourceControl::flushReplayQueue(QByteArrayList() << mResourceInstanceIdentifier)); */
 }
 
+static QByteArray readMailFromFile(const QString &mailFile)
+{
+    QFile file(QLatin1String(THREADTESTDATAPATH) + QLatin1Char('/') + mailFile);
+    file.open(QIODevice::ReadOnly);
+    Q_ASSERT(file.isOpen());
+    return file.readAll();
+}
+
+static KMime::Message::Ptr readMail(const QString &mailFile)
+{
+    auto msg = KMime::Message::Ptr::create();
+    msg->setContent(readMailFromFile(mailFile));
+    msg->parse();
+    return msg;
+}
+
+void MailThreadTest::testRealWorldThread()
+{
+    auto folder = Folder::create(mResourceInstanceIdentifier);
+    folder.setName("folder");
+    VERIFYEXEC(Store::create(folder));
+
+    auto createMail = [this, folder] (KMime::Message::Ptr msg) {
+        auto mail = Mail::create(mResourceInstanceIdentifier);
+        mail.setMimeMessage(msg->encodedContent(true));
+        mail.setFolder(folder);
+        VERIFYEXEC(Store::create(mail));
+    };
+
+    createMail(readMail("thread1"));
+
+    VERIFYEXEC(ResourceControl::flushMessageQueue(QByteArrayList() << mResourceInstanceIdentifier));
+
+    auto query = Sink::StandardQueries::threadLeaders(folder);
+    query.resourceFilter(mResourceInstanceIdentifier);
+    query.request<Mail::Subject>().request<Mail::MimeMessage>().request<Mail::Folder>().request<Mail::Date>();
+
+    //Ensure we find the thread leader
+    Mail threadLeader = [&] {
+        auto mails = Store::read<Mail>(query);
+        Q_ASSERT(mails.size() == 1);
+        return mails.first();
+    }();
+
+    createMail(readMail("thread2"));
+    createMail(readMail("thread3"));
+    createMail(readMail("thread4"));
+    createMail(readMail("thread5"));
+    createMail(readMail("thread6"));
+    createMail(readMail("thread7"));
+    createMail(readMail("thread8")); //This mail is breaking the thread
+    VERIFYEXEC(ResourceControl::flushMessageQueue(mResourceInstanceIdentifier));
+
+    //Ensure the thread is complete
+    {
+        auto query = Sink::StandardQueries::completeThread(threadLeader);
+        query.request<Mail::Subject>().request<Mail::MimeMessage>().request<Mail::Folder>().request<Mail::Date>();
+
+        auto mails = Store::read<Mail>(query);
+        QCOMPARE(mails.size(), 8);
+    }
+}
+
 #include "mailthreadtest.moc"
diff --git a/tests/mailthreadtest.h b/tests/mailthreadtest.h
index 8730ec6..1c5c389 100644
--- a/tests/mailthreadtest.h
+++ b/tests/mailthreadtest.h
@@ -52,6 +52,7 @@ private slots:
 
     void testListThreadLeader();
     void testIndexInMixedOrder();
+    void testRealWorldThread();
 };
 
 }
diff --git a/tests/threaddata/thread1 b/tests/threaddata/thread1
new file mode 100644
index 0000000..8b72901
--- /dev/null
+++ b/tests/threaddata/thread1
@@ -0,0 +1,228 @@
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+From: Volker Krause <vkrause@kde.org>
+To: kde-community@kde.org
+Subject: Telemetry Policy
+Date: Sun, 13 Aug 2017 11:47:28 +0200
+Message-ID: <2048912.XfIJe3ZSdj@vkpc5>
+Organization: KDE
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+
+Hi,
+
+during the KUserFeedback BoF at Akademy there was quite some interest in 
+collecting telemetry data in KDE applications. But before actually 
+implementing that we agreed to define the rules under which we would want to 
+do that. I've tried to put the input we collected during Akademy into proper 
+wording below. What do you think? Did I miss anything?
+
+Regards,
+Volker
+
+
+# Telemetry Policy Draft
+
+Application telemetry data can be a valuable tool for tailoring our products 
+to the needs of our users. The following rules define how KDE collects and 
+uses such application telemetry data. As privacy is of utmost importance to 
+us, the general rule of thumb is to err on the side of caution here. Privacy 
+always trumps any need for telemetry data, no matter how legitimate.
+
+These rules apply to all products released by KDE.
+
+## Transparency
+
+We provide detailed information about the data that is going to be shared, in 
+a way that:
+- is easy to understand
+- is precise and complete
+- is available locally without network connectivity
+
+Any changes or additions to the telemetry functionality of an application will 
+be highlighted in the corresponding release announcement.
+
+## Control
+
+We give the user full control over what data they want to share with KDE. In 
+particular:
+- application telemetry is always opt-in, that is off by default
+- application telemetry settings can be changed at any time, and are provided 
+as prominent in the application interface as other application settings
+- applications honor system-wide telemetry settings where they exist (global 
+"kill switch")
+- we provide detailed documentation about how to control the application 
+telemetry system
+
+In order to ensure control over the data after it has been shared with KDE, 
+applications will only transmit this data to KDE servers, that is servers 
+under the full control of the KDE sysadmin team.
+
+We will provide a designated contact point for users who have concerns about 
+the data they have shared with KDE. While we are willing to delete data a user 
+no longer wants to have shared, it should be understood that the below rules 
+are designed to make identification of data of a specific user impossible, and 
+thus a deletion request impractical.
+
+## Anonymity
+
+We do not transmit data that could be used to identify a specific user. In 
+particular:
+- we will not use any unique device, installation or user id
+- data is stripped of any unnecessary detail and downsampled appropriately 
+before sharing to avoid fingerprinting
+- network addresses (which are exposed inevitably as part of the data 
+transmission) are not stored together with the telemetry data, and must only 
+be stored or used to the extend necessary for abuse counter-measures
+
+## Minimalism
+
+We only track the bare minimum of data necessary to answer specific questions, 
+we do not collect data preemptively or for exploratory research. In 
+particular, this means:
+- collected data  must have a clear purpose
+- data is downsampled to the maximum extend possible at the source
+- relevant correlations between individual bits of data should be computed at 
+the source whenever possible
+- data collection is stopped once corresponding question has been answered
+
+## Privacy
+
+We will never transmit anything containing user content, or even just hints at 
+possible user content such as e.g. file names, URLs, etc.
+
+We will only ever track:
+- system information that are specific to the installation/environment, but 
+independent of how the application/machine/installation is actually used
+- statistical usage data of an installation/application
+
+## Compliance
+
+KDE only releases products capable of acquiring telemetry data if compliance 
+with these rules has been established by a public review on [kde-core-devel|
+kde-community]@kde.org from at least two reviewers. The review has to be 
+repeated for every release if changes have been made to how/what data is 
+collected.
+
+Received data is regularly reviewed for violations of these rules, in 
+particular for data that is prone to fingerprinting. Should such violations be 
+found, the affected data will be deleted, and data recording will be suspended 
+until compliance with these rules has been established again. In order to 
+enable reviewing of the data, every KDE contributor with a developer account 
+will have access to all telemetry data gathered by any KDE product.
+
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+
diff --git a/tests/threaddata/thread2 b/tests/threaddata/thread2
new file mode 100644
index 0000000..4d90073
--- /dev/null
+++ b/tests/threaddata/thread2
@@ -0,0 +1,129 @@
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+From: Christian Loosli <christian.loosli@fuchsnet.ch>
+To: kde-community@kde.org
+Subject: Re: Telemetry Policy
+Date: Sun, 13 Aug 2017 12:18:16 +0200
+Message-ID: <2990543.KVDkBByYO0@minixfox>
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+Hi, 
+
+thank you very much for this work, sounds great! 
+
+Only point I have: maybe make sure that the opt-in / default settings are not 
+only mandatory for application developers, but also for packagers / 
+distributions. 
+
+Some distributions have rather questionable views on privacy and by default 
+sent information to third parties, so I would feel much more safe if they 
+weren't allowed (in theory) to flick the switch in their package by default to 
+"on" either.
+
+Kind regards, 
+
+Christian 
diff --git a/tests/threaddata/thread3 b/tests/threaddata/thread3
new file mode 100644
index 0000000..84db2b3
--- /dev/null
+++ b/tests/threaddata/thread3
@@ -0,0 +1,184 @@
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+In-Reply-To: <2990543.KVDkBByYO0@minixfox>
+References: <2048912.XfIJe3ZSdj@vkpc5> <2990543.KVDkBByYO0@minixfox>
+From: Valorie Zimmerman <valorie.zimmerman@gmail.com>
+Date: Wed, 16 Aug 2017 00:33:02 -0700
+Message-ID: <CACpu024EH1OeDqwL94QK33eq4sCGjKjwedcQDR_PWjprBevzfg@mail.gmail.com>
+Subject: Re: Telemetry Policy
+To: informing about and discussing non-technical community topics
+ <kde-community@kde.org>
+Content-Type: text/plain; charset="UTF-8"
+X-BeenThere: kde-community@kde.org
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+ <kde-community@kde.org>
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+Sender: "kde-community" <kde-community-bounces@kde.org>
+
+Hi all, Mozilla has done a lot of work on telemetry, and we might be
+able to use some of their findings. On this page:
+https://wiki.mozilla.org/Firefox/Data_Collection they break down the
+data they might possibly collect into four buckets - technical (such
+as crashes), user interaction, web activity, and sensitive (personal
+data).
+
+This bit might be relevant to our discussion: "Categories 1 & 2
+(Technical & Interaction data)
+Pre-Release & Release: Data may default on, provided the data is
+exclusively in these categories (it cannot be in any other category).
+In Release, an opt-out must be available for most types of Technical
+and Interaction data. "
+
+I think the entire page might be enlightening to this discussion. I
+believe our analysis of needs should be more fine-grained, and that
+some parts of what we need can be "default on" especially for
+pre-release testing. For releases, we can provide an opt-out.
+
+Other more sensitive data will need to be opt-in. I think it's a
+mistake to treat all the data we might want all in the same way.
+
+Valorie
+
+
+On Sun, Aug 13, 2017 at 3:18 AM, Christian Loosli
+<christian.loosli@fuchsnet.ch> wrote:
+> Hi,
+>
+> thank you very much for this work, sounds great!
+>
+> Only point I have: maybe make sure that the opt-in / default settings are not
+> only mandatory for application developers, but also for packagers /
+> distributions.
+>
+> Some distributions have rather questionable views on privacy and by default
+> sent information to third parties, so I would feel much more safe if they
+> weren't allowed (in theory) to flick the switch in their package by default to
+> "on" either.
+>
+> Kind regards,
+>
+> Christian
+
+
+
+-- 
+http://about.me/valoriez
diff --git a/tests/threaddata/thread4 b/tests/threaddata/thread4
new file mode 100644
index 0000000..492d64d
--- /dev/null
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+From: Volker Krause <vkrause@kde.org>
+To: kde-community@kde.org
+Subject: Re: Telemetry Policy
+Date: Wed, 16 Aug 2017 14:13:48 +0200
+Message-ID: <1942419.JquqIjZoWq@vkpc19>
+Organization: KDE
+In-Reply-To: <CACpu024EH1OeDqwL94QK33eq4sCGjKjwedcQDR_PWjprBevzfg@mail.gmail.com>
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+
+On Wednesday, 16 August 2017 09:33:02 CEST Valorie Zimmerman wrote:
+> Hi all, Mozilla has done a lot of work on telemetry, and we might be
+> able to use some of their findings. On this page:
+> https://wiki.mozilla.org/Firefox/Data_Collection they break down the
+> data they might possibly collect into four buckets - technical (such
+> as crashes), user interaction, web activity, and sensitive (personal
+> data).
+
+without making it that explicit, we basically have the same four categories of 
+data too, and explicitly exclude the use of category 3 and 4, ie user content/
+activity and personal data, only technical and interaction data are allowed to 
+be used (category 1 and 2).
+ 
+> This bit might be relevant to our discussion: "Categories 1 & 2
+> (Technical & Interaction data)
+> Pre-Release & Release: Data may default on, provided the data is
+> exclusively in these categories (it cannot be in any other category).
+> In Release, an opt-out must be available for most types of Technical
+> and Interaction data. "
+> 
+> I think the entire page might be enlightening to this discussion. I
+> believe our analysis of needs should be more fine-grained, and that
+> some parts of what we need can be "default on" especially for
+> pre-release testing. For releases, we can provide an opt-out.
+> 
+> Other more sensitive data will need to be opt-in. I think it's a
+> mistake to treat all the data we might want all in the same way.
+
+This again brings up opt-out, which so far doesn't seem to have a chance for 
+consensus. Can we defer this to when we have some more experience with the 
+opt-in approach and how much participation we get with that? Or are people 
+feeling this would too strongly limit what they are allowed to do in their 
+applications? 
+
+Seeing yesterday's blog from the Krita team (https://akapust1n.github.io/
+2017-08-15-sixth-blog-gsoc-2017/), I'd particularly be interested in their 
+view on this.
+
+Regards,
+Volker
+
+> On Sun, Aug 13, 2017 at 3:18 AM, Christian Loosli
+> 
+> <christian.loosli@fuchsnet.ch> wrote:
+> > Hi,
+> > 
+> > thank you very much for this work, sounds great!
+> > 
+> > Only point I have: maybe make sure that the opt-in / default settings are
+> > not only mandatory for application developers, but also for packagers /
+> > distributions.
+> > 
+> > Some distributions have rather questionable views on privacy and by
+> > default
+> > sent information to third parties, so I would feel much more safe if they
+> > weren't allowed (in theory) to flick the switch in their package by
+> > default to "on" either.
+> > 
+> > Kind regards,
+> > 
+> > Christian
+
+
+
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diff --git a/tests/threaddata/thread5 b/tests/threaddata/thread5
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+From: Boudewijn Rempt <boud@valdyas.org>
+To: informing about and discussing non-technical community topics
+ <kde-community@kde.org>
+Subject: Re: Telemetry Policy
+In-Reply-To: <1942419.JquqIjZoWq@vkpc19>
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+On Wed, 16 Aug 2017, Volker Krause wrote:
+
+> Seeing yesterday's blog from the Krita team (https://akapust1n.github.io/
+> 2017-08-15-sixth-blog-gsoc-2017/), I'd particularly be interested in their 
+> view on this.
+
+I've pointed alexey at this thread, but there's a huge language barrier:
+he basically communicates through google translate. I've made it a firm
+condition of merging and operating the telemetry that we adhere to the
+KDE policy in every way. Even then, I still consider his work to be
+an experimental research project.
+
+-- 
+Boudewijn Rempt | http://www.krita.org, http://www.valdyas.org
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+From: Thomas Pfeiffer <thomas.pfeiffer@kde.org>
+To: informing about and discussing non-technical community topics
+ <kde-community@kde.org>
+Subject: Re: Telemetry Policy
+Date: Thu, 17 Aug 2017 01:46:48 +0200
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+
+On Mittwoch, 16. August 2017 09:33:02 CEST Valorie Zimmerman wrote:
+> Hi all, Mozilla has done a lot of work on telemetry, and we might be
+> able to use some of their findings. On this page:
+> https://wiki.mozilla.org/Firefox/Data_Collection they break down the
+> data they might possibly collect into four buckets - technical (such
+> as crashes), user interaction, web activity, and sensitive (personal
+> data).
+> 
+> This bit might be relevant to our discussion: "Categories 1 & 2
+> (Technical & Interaction data)
+> Pre-Release & Release: Data may default on, provided the data is
+> exclusively in these categories (it cannot be in any other category).
+> In Release, an opt-out must be available for most types of Technical
+> and Interaction data. "
+> 
+> I think the entire page might be enlightening to this discussion. I
+> believe our analysis of needs should be more fine-grained, and that
+> some parts of what we need can be "default on" especially for
+> pre-release testing. For releases, we can provide an opt-out.
+
+Hi Valorie,
+Even if opt-out for some data is legally and even morally fine, it does not 
+align with the values we communicate to our users:
+Unlike Mozilla's Mission, our Vision mentions privacy explicitly, and we're 
+striving to make privacy our USP.
+
+Therefore I agree with others who replied in this thread: We should respect 
+privacy unnecessarily much rather than too little.
+
+In the end, of course, it's a matter of how we present this opt-in. If it's an 
+option buried in some settings dialog, we might as well not do it at all.
+
+If we, however - like Firefox does -, pfominently present that choice to users 
+the first time they run one of our applications or desktop environment and try 
+to make clear why that data collection is important for us, I don't see why we 
+could not convince a relevant number of users to opt in.
+Sure, we'll get less data than with an opt-out scheme, but let's try it out 
+first before we go for the option that carries a significant PR risk.
+
+> Other more sensitive data will need to be opt-in. I think it's a
+> mistake to treat all the data we might want all in the same way.
+
+Content (web activity for Mozilla) and personal information should not be opt-
+anything but not collected at all.
+
+Cheers,
+Thomas
diff --git a/tests/threaddata/thread7 b/tests/threaddata/thread7
new file mode 100644
index 0000000..b751d60
--- /dev/null
+++ b/tests/threaddata/thread7
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+ Thu, 17 Aug 2017 08:38:52 -0700 (PDT)
+From: Mirko Boehm - KDE <mirko@kde.org>
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+Date: Thu, 17 Aug 2017 17:38:52 +0200
+Subject: Re: Telemetry Policy
+In-Reply-To: <5231282.Ch11jfsTMl@lenovo>
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+
+--Apple-Mail=_F49D9C7A-5DFA-4D78-8758-C0DB8C98E040
+Content-Transfer-Encoding: quoted-printable
+Content-Type: text/plain;
+	charset=us-ascii
+
+Hi,
+
+> On 17. Aug 2017, at 01:46, Thomas Pfeiffer <thomas.pfeiffer@kde.org> =
+wrote:
+>=20
+> Hi Valorie,
+> Even if opt-out for some data is legally and even morally fine, it =
+does not
+> align with the values we communicate to our users:
+> Unlike Mozilla's Mission, our Vision mentions privacy explicitly, and =
+we're
+> striving to make privacy our USP.
+
+We seem to assume a contradiction between telemetry and privacy. I =
+believe this is a knee-jerk reaction. We can implement telemetry in a =
+way that privacy is not violated. In fact, I would say that it follows =
+from our vision that we should do this.
+
+Cheers,
+
+Mirko.
+--
+Mirko Boehm | mirko@kde.org | KDE e.V.
+FSFE Fellowship Representative, FSFE Team Germany
+Qt Certified Specialist and Trainer
+Request a meeting: https://doodle.com/mirkoboehm
+
+
+--Apple-Mail=_F49D9C7A-5DFA-4D78-8758-C0DB8C98E040
+Content-Transfer-Encoding: quoted-printable
+Content-Type: text/html;
+	charset=us-ascii
+
+<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
+charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
+-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
+class=3D"">Hi,&nbsp;<div class=3D""><br class=3D""><div><blockquote =
+type=3D"cite" class=3D""><div class=3D"">On 17. Aug 2017, at 01:46, =
+Thomas Pfeiffer &lt;<a href=3D"mailto:thomas.pfeiffer@kde.org" =
+class=3D"">thomas.pfeiffer@kde.org</a>&gt; wrote:</div><br =
+class=3D"Apple-interchange-newline"><div class=3D""><span =
+style=3D"font-family: Menlo-Regular; font-size: 11px; font-style: =
+normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
+normal; text-align: start; text-indent: 0px; text-transform: none; =
+white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
+float: none; display: inline !important;" class=3D"">Hi =
+Valorie,</span><br style=3D"font-family: Menlo-Regular; font-size: 11px; =
+font-style: normal; font-variant-caps: normal; font-weight: normal; =
+letter-spacing: normal; text-align: start; text-indent: 0px; =
+text-transform: none; white-space: normal; word-spacing: 0px; =
+-webkit-text-stroke-width: 0px;" class=3D""><span style=3D"font-family: =
+Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: =
+normal; font-weight: normal; letter-spacing: normal; text-align: start; =
+text-indent: 0px; text-transform: none; white-space: normal; =
+word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: =
+inline !important;" class=3D"">Even if opt-out for some data is legally =
+and even morally fine, it does not<span =
+class=3D"Apple-converted-space">&nbsp;</span></span><br =
+style=3D"font-family: Menlo-Regular; font-size: 11px; font-style: =
+normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
+normal; text-align: start; text-indent: 0px; text-transform: none; =
+white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" =
+class=3D""><span style=3D"font-family: Menlo-Regular; font-size: 11px; =
+font-style: normal; font-variant-caps: normal; font-weight: normal; =
+letter-spacing: normal; text-align: start; text-indent: 0px; =
+text-transform: none; white-space: normal; word-spacing: 0px; =
+-webkit-text-stroke-width: 0px; float: none; display: inline =
+!important;" class=3D"">align with the values we communicate to our =
+users:</span><br style=3D"font-family: Menlo-Regular; font-size: 11px; =
+font-style: normal; font-variant-caps: normal; font-weight: normal; =
+letter-spacing: normal; text-align: start; text-indent: 0px; =
+text-transform: none; white-space: normal; word-spacing: 0px; =
+-webkit-text-stroke-width: 0px;" class=3D""><span style=3D"font-family: =
+Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: =
+normal; font-weight: normal; letter-spacing: normal; text-align: start; =
+text-indent: 0px; text-transform: none; white-space: normal; =
+word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: =
+inline !important;" class=3D"">Unlike Mozilla's Mission, our Vision =
+mentions privacy explicitly, and we're<span =
+class=3D"Apple-converted-space">&nbsp;</span></span><br =
+style=3D"font-family: Menlo-Regular; font-size: 11px; font-style: =
+normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
+normal; text-align: start; text-indent: 0px; text-transform: none; =
+white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" =
+class=3D""><span style=3D"font-family: Menlo-Regular; font-size: 11px; =
+font-style: normal; font-variant-caps: normal; font-weight: normal; =
+letter-spacing: normal; text-align: start; text-indent: 0px; =
+text-transform: none; white-space: normal; word-spacing: 0px; =
+-webkit-text-stroke-width: 0px; float: none; display: inline =
+!important;" class=3D"">striving to make privacy our USP.</span><br =
+style=3D"font-family: Menlo-Regular; font-size: 11px; font-style: =
+normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
+normal; text-align: start; text-indent: 0px; text-transform: none; =
+white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" =
+class=3D""></div></blockquote><br class=3D""></div><div>We seem to =
+assume a contradiction between telemetry and privacy. I believe this is =
+a knee-jerk reaction. We can implement telemetry in a way that privacy =
+is not violated. In fact, I would say that it follows from our vision =
+that we should do this.</div><div><br =
+class=3D""></div><div>Cheers,</div><div><br =
+class=3D""></div><div>Mirko.</div><div class=3D"">
+<div style=3D"orphans: auto; text-align: start; text-indent: 0px; =
+widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; =
+-webkit-line-break: after-white-space;" class=3D""><div style=3D"color: =
+rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: =
+normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: =
+auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: =
+break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
+after-white-space;" class=3D"">--&nbsp;<br class=3D""></div><div =
+style=3D"orphans: auto; text-align: start; text-indent: 0px; widows: =
+auto; word-wrap: break-word; -webkit-nbsp-mode: space; =
+-webkit-line-break: after-white-space;" class=3D"">Mirko Boehm | <a =
+href=3D"mailto:mirko@kde.org" class=3D"">mirko@kde.org</a> | KDE e.V.<br =
+class=3D"">FSFE Fellowship Representative, FSFE Team Germany<br =
+class=3D"">Qt Certified Specialist and Trainer<br class=3D"">Request a =
+meeting: <a href=3D"https://doodle.com/mirkoboehm" =
+class=3D"">https://doodle.com/mirkoboehm</a><br class=3D""></div></div>
+</div>
+
+<br class=3D""></div></body></html>=
+
+--Apple-Mail=_F49D9C7A-5DFA-4D78-8758-C0DB8C98E040--
+
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+-----BEGIN PGP SIGNATURE-----
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+D4kAn2Vv0q16buzjcRel1P144tLyqbr+
+=muZP
+-----END PGP SIGNATURE-----
+
+--Apple-Mail=_1637D59B-BBA3-401E-A7A5-3514665481AD--
diff --git a/tests/threaddata/thread8 b/tests/threaddata/thread8
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+ Thu, 17 Aug 2017 09:20:17 -0700 (PDT)
+From: Thomas Pfeiffer <thomas.pfeiffer@kde.org>
+Content-Type: multipart/alternative;
+ boundary="Apple-Mail=_AF2C4455-1CF7-489B-98CD-6BFD8687BF81"
+Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\))
+Subject: Re: Telemetry Policy
+Date: Thu, 17 Aug 2017 18:20:16 +0200
+References: <2048912.XfIJe3ZSdj@vkpc5> <2990543.KVDkBByYO0@minixfox>
+ <CACpu024EH1OeDqwL94QK33eq4sCGjKjwedcQDR_PWjprBevzfg@mail.gmail.com>
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+To: informing about and discussing non-technical community topics
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+
+--Apple-Mail=_AF2C4455-1CF7-489B-98CD-6BFD8687BF81
+Content-Transfer-Encoding: quoted-printable
+Content-Type: text/plain;
+	charset=utf-8
+
+
+> On 17. Aug 2017, at 17:38, Mirko Boehm - KDE <mirko@kde.org> wrote:
+>=20
+> Hi,=20
+>=20
+>> On 17. Aug 2017, at 01:46, Thomas Pfeiffer <thomas.pfeiffer@kde.org =
+<mailto:thomas.pfeiffer@kde.org>> wrote:
+>>=20
+>> Hi Valorie,
+>> Even if opt-out for some data is legally and even morally fine, it =
+does not=20
+>> align with the values we communicate to our users:
+>> Unlike Mozilla's Mission, our Vision mentions privacy explicitly, and =
+we're=20
+>> striving to make privacy our USP.
+>=20
+> We seem to assume a contradiction between telemetry and privacy. I =
+believe this is a knee-jerk reaction. We can implement telemetry in a =
+way that privacy is not violated. In fact, I would say that it follows =
+from our vision that we should do this.
+>=20
+
+The problem is: I expect users to have the same knee-jerk reaction. I =
+don=E2=80=99t see us being able to explain to users that actually their =
+privacy is perfectly safe before they freak out.
+Privacy-minded Free Software users have freaked out in the past over =
+things which objectively speaking were not a huge deal.
+It=E2=80=99s emotion more than rational arguments
+
+
+--Apple-Mail=_AF2C4455-1CF7-489B-98CD-6BFD8687BF81
+Content-Transfer-Encoding: quoted-printable
+Content-Type: text/html;
+	charset=utf-8
+
+<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
+charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
+-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
+class=3D""><br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
+class=3D"">On 17. Aug 2017, at 17:38, Mirko Boehm - KDE &lt;<a =
+href=3D"mailto:mirko@kde.org" class=3D"">mirko@kde.org</a>&gt; =
+wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><meta =
+http-equiv=3D"Content-Type" content=3D"text/html charset=3Dus-ascii" =
+class=3D""><div style=3D"word-wrap: break-word; -webkit-nbsp-mode: =
+space; -webkit-line-break: after-white-space;" class=3D"">Hi,&nbsp;<div =
+class=3D""><br class=3D""><div class=3D""><blockquote type=3D"cite" =
+class=3D""><div class=3D"">On 17. Aug 2017, at 01:46, Thomas Pfeiffer =
+&lt;<a href=3D"mailto:thomas.pfeiffer@kde.org" =
+class=3D"">thomas.pfeiffer@kde.org</a>&gt; wrote:</div><br =
+class=3D"Apple-interchange-newline"><div class=3D""><span =
+style=3D"font-family: Menlo-Regular; font-size: 11px; font-style: =
+normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
+normal; text-align: start; text-indent: 0px; text-transform: none; =
+white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
+float: none; display: inline !important;" class=3D"">Hi =
+Valorie,</span><br style=3D"font-family: Menlo-Regular; font-size: 11px; =
+font-style: normal; font-variant-caps: normal; font-weight: normal; =
+letter-spacing: normal; text-align: start; text-indent: 0px; =
+text-transform: none; white-space: normal; word-spacing: 0px; =
+-webkit-text-stroke-width: 0px;" class=3D""><span style=3D"font-family: =
+Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: =
+normal; font-weight: normal; letter-spacing: normal; text-align: start; =
+text-indent: 0px; text-transform: none; white-space: normal; =
+word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: =
+inline !important;" class=3D"">Even if opt-out for some data is legally =
+and even morally fine, it does not<span =
+class=3D"Apple-converted-space">&nbsp;</span></span><br =
+style=3D"font-family: Menlo-Regular; font-size: 11px; font-style: =
+normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
+normal; text-align: start; text-indent: 0px; text-transform: none; =
+white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" =
+class=3D""><span style=3D"font-family: Menlo-Regular; font-size: 11px; =
+font-style: normal; font-variant-caps: normal; font-weight: normal; =
+letter-spacing: normal; text-align: start; text-indent: 0px; =
+text-transform: none; white-space: normal; word-spacing: 0px; =
+-webkit-text-stroke-width: 0px; float: none; display: inline =
+!important;" class=3D"">align with the values we communicate to our =
+users:</span><br style=3D"font-family: Menlo-Regular; font-size: 11px; =
+font-style: normal; font-variant-caps: normal; font-weight: normal; =
+letter-spacing: normal; text-align: start; text-indent: 0px; =
+text-transform: none; white-space: normal; word-spacing: 0px; =
+-webkit-text-stroke-width: 0px;" class=3D""><span style=3D"font-family: =
+Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: =
+normal; font-weight: normal; letter-spacing: normal; text-align: start; =
+text-indent: 0px; text-transform: none; white-space: normal; =
+word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: =
+inline !important;" class=3D"">Unlike Mozilla's Mission, our Vision =
+mentions privacy explicitly, and we're<span =
+class=3D"Apple-converted-space">&nbsp;</span></span><br =
+style=3D"font-family: Menlo-Regular; font-size: 11px; font-style: =
+normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
+normal; text-align: start; text-indent: 0px; text-transform: none; =
+white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" =
+class=3D""><span style=3D"font-family: Menlo-Regular; font-size: 11px; =
+font-style: normal; font-variant-caps: normal; font-weight: normal; =
+letter-spacing: normal; text-align: start; text-indent: 0px; =
+text-transform: none; white-space: normal; word-spacing: 0px; =
+-webkit-text-stroke-width: 0px; float: none; display: inline =
+!important;" class=3D"">striving to make privacy our USP.</span><br =
+style=3D"font-family: Menlo-Regular; font-size: 11px; font-style: =
+normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
+normal; text-align: start; text-indent: 0px; text-transform: none; =
+white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" =
+class=3D""></div></blockquote><br class=3D""></div><div class=3D"">We =
+seem to assume a contradiction between telemetry and privacy. I believe =
+this is a knee-jerk reaction. We can implement telemetry in a way that =
+privacy is not violated. In fact, I would say that it follows from our =
+vision that we should do this.</div><div class=3D""><br =
+class=3D""></div></div></div></div></blockquote><div><br =
+class=3D""></div>The problem is: I expect users to have the same =
+knee-jerk reaction. I don=E2=80=99t see us being able to explain to =
+users that actually their privacy is perfectly safe before they freak =
+out.</div><div>Privacy-minded Free Software users have freaked out in =
+the past over things which objectively speaking were not a huge =
+deal.</div><div>It=E2=80=99s emotion more than rational =
+arguments</div><br class=3D""></body></html>=
+
+--Apple-Mail=_AF2C4455-1CF7-489B-98CD-6BFD8687BF81--
diff --git a/tests/threaddata/thread9 b/tests/threaddata/thread9
new file mode 100644
index 0000000..c17e7fd
--- /dev/null
+++ b/tests/threaddata/thread9
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+From: Jaroslaw Staniek <staniek@kde.org>
+Date: Thu, 17 Aug 2017 18:29:27 +0200
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+Subject: Re: Telemetry Policy
+To: informing about and discussing non-technical community topics
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+--001a1142e7548d73010556f58604
+Content-Type: text/plain; charset="UTF-8"
+Content-Transfer-Encoding: quoted-printable
+
+On 17 August 2017 at 18:20, Thomas Pfeiffer <thomas.pfeiffer@kde.org> wrote=
+:
+
+>
+> On 17. Aug 2017, at 17:38, Mirko Boehm - KDE <mirko@kde.org> wrote:
+>
+> Hi,
+>
+> On 17. Aug 2017, at 01:46, Thomas Pfeiffer <thomas.pfeiffer@kde.org>
+> wrote:
+>
+> Hi Valorie,
+> Even if opt-out for some data is legally and even morally fine, it does n=
+ot
+>
+> align with the values we communicate to our users:
+> Unlike Mozilla's Mission, our Vision mentions privacy explicitly, and we'=
+re
+>
+> striving to make privacy our USP.
+>
+>
+> We seem to assume a contradiction between telemetry and privacy. I believ=
+e
+> this is a knee-jerk reaction. We can implement telemetry in a way that
+> privacy is not violated. In fact, I would say that it follows from our
+> vision that we should do this.
+>
+>
+> The problem is: I expect users to have the same knee-jerk reaction. I
+> don=E2=80=99t see us being able to explain to users that actually their p=
+rivacy is
+> perfectly safe before they freak out.
+> Privacy-minded Free Software users have freaked out in the past over
+> things which objectively speaking were not a huge deal.
+> It=E2=80=99s emotion more than rational arguments
+>
+>
+=E2=80=8BIt's hard to argue here or generalize to all app's communities. Kr=
+ita
+community for example is different than gcc community in these aspects.
+
+--=20
+regards, Jaroslaw Staniek
+
+KDE:
+: A world-wide network of software engineers, artists, writers, translators
+: and facilitators committed to Free Software development - http://kde.org
+Calligra Suite:
+: A graphic art and office suite - http://calligra.org
+Kexi:
+: A visual database apps builder - http://calligra.org/kexi
+Qt Certified Specialist:
+: http://www.linkedin.com/in/jstaniek
+
+--001a1142e7548d73010556f58604
+Content-Type: text/html; charset="UTF-8"
+Content-Transfer-Encoding: quoted-printable
+
+<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:monospac=
+e,monospace;font-size:small"><br></div><div class=3D"gmail_extra"><br><div =
+class=3D"gmail_quote">On 17 August 2017 at 18:20, Thomas Pfeiffer <span dir=
+=3D"ltr">&lt;<a href=3D"mailto:thomas.pfeiffer@kde.org" target=3D"_blank">t=
+homas.pfeiffer@kde.org</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_=
+quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1=
+ex"><div style=3D"word-wrap:break-word"><br><div><span class=3D""><blockquo=
+te type=3D"cite"><div>On 17. Aug 2017, at 17:38, Mirko Boehm - KDE &lt;<a h=
+ref=3D"mailto:mirko@kde.org" target=3D"_blank">mirko@kde.org</a>&gt; wrote:=
+</div><br class=3D"m_-9083494930210199564Apple-interchange-newline"><div><d=
+iv style=3D"word-wrap:break-word">Hi,=C2=A0<div><br><div><blockquote type=
+=3D"cite"><div>On 17. Aug 2017, at 01:46, Thomas Pfeiffer &lt;<a href=3D"ma=
+ilto:thomas.pfeiffer@kde.org" target=3D"_blank">thomas.pfeiffer@kde.org</a>=
+&gt; wrote:</div><br class=3D"m_-9083494930210199564Apple-interchange-newli=
+ne"><div><span style=3D"font-family:Menlo-Regular;font-size:11px;font-style=
+:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;t=
+ext-align:start;text-indent:0px;text-transform:none;white-space:normal;word=
+-spacing:0px;float:none;display:inline!important">Hi Valorie,</span><br sty=
+le=3D"font-family:Menlo-Regular;font-size:11px;font-style:normal;font-varia=
+nt-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;te=
+xt-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><spa=
+n style=3D"font-family:Menlo-Regular;font-size:11px;font-style:normal;font-=
+variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:sta=
+rt;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;=
+float:none;display:inline!important">Even if opt-out for some data is legal=
+ly and even morally fine, it does not<span class=3D"m_-9083494930210199564A=
+pple-converted-space">=C2=A0</span></span><br style=3D"font-family:Menlo-Re=
+gular;font-size:11px;font-style:normal;font-variant-caps:normal;font-weight=
+:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transfo=
+rm:none;white-space:normal;word-spacing:0px"><span style=3D"font-family:Men=
+lo-Regular;font-size:11px;font-style:normal;font-variant-caps:normal;font-w=
+eight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-tr=
+ansform:none;white-space:normal;word-spacing:0px;float:none;display:inline!=
+important">align with the values we communicate to our users:</span><br sty=
+le=3D"font-family:Menlo-Regular;font-size:11px;font-style:normal;font-varia=
+nt-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;te=
+xt-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><spa=
+n style=3D"font-family:Menlo-Regular;font-size:11px;font-style:normal;font-=
+variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:sta=
+rt;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;=
+float:none;display:inline!important">Unlike Mozilla&#39;s Mission, our Visi=
+on mentions privacy explicitly, and we&#39;re<span class=3D"m_-908349493021=
+0199564Apple-converted-space">=C2=A0</span></span><br style=3D"font-family:=
+Menlo-Regular;font-size:11px;font-style:normal;font-variant-caps:normal;fon=
+t-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text=
+-transform:none;white-space:normal;word-spacing:0px"><span style=3D"font-fa=
+mily:Menlo-Regular;font-size:11px;font-style:normal;font-variant-caps:norma=
+l;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px=
+;text-transform:none;white-space:normal;word-spacing:0px;float:none;display=
+:inline!important">striving to make privacy our USP.</span><br style=3D"fon=
+t-family:Menlo-Regular;font-size:11px;font-style:normal;font-variant-caps:n=
+ormal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent=
+:0px;text-transform:none;white-space:normal;word-spacing:0px"></div></block=
+quote><br></div><div>We seem to assume a contradiction between telemetry an=
+d privacy. I believe this is a knee-jerk reaction. We can implement telemet=
+ry in a way that privacy is not violated. In fact, I would say that it foll=
+ows from our vision that we should do this.</div><div><br></div></div></div=
+></div></blockquote><div><br></div></span>The problem is: I expect users to=
+ have the same knee-jerk reaction. I don=E2=80=99t see us being able to exp=
+lain to users that actually their privacy is perfectly safe before they fre=
+ak out.</div><div>Privacy-minded Free Software users have freaked out in th=
+e past over things which objectively speaking were not a huge deal.</div><d=
+iv>It=E2=80=99s emotion more than rational arguments</div><br></div></block=
+quote></div><br><div class=3D"gmail_default" style=3D"font-family:monospace=
+,monospace;font-size:small">=E2=80=8BIt&#39;s hard to argue here or general=
+ize to all app&#39;s communities. Krita community for example is different =
+than gcc community in these aspects.</div><div><br></div>-- <br><div class=
+=3D"gmail_signature" data-smartmail=3D"gmail_signature">regards, Jaroslaw S=
+taniek<br><br>KDE:<br>: A world-wide network of software engineers, artists=
+, writers, translators<br>: and facilitators committed to Free Software dev=
+elopment - <a href=3D"http://kde.org" target=3D"_blank">http://kde.org</a><=
+br>Calligra Suite:<br>: A graphic art and office suite - <a href=3D"http://=
+calligra.org" target=3D"_blank">http://calligra.org</a><br>Kexi:<br>: A vis=
+ual database apps builder - <a href=3D"http://calligra.org/kexi" target=3D"=
+_blank">http://calligra.org/kexi</a><br>Qt Certified Specialist:<br>: <a hr=
+ef=3D"http://www.linkedin.com/in/jstaniek" target=3D"_blank">http://www.lin=
+kedin.com/in/jstaniek</a></div>
+</div></div>
+
+--001a1142e7548d73010556f58604--
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