Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+Places
+======
+
+This document describes the implementation of the Firefox Places component.
+
+It is a robust system to manage History and Bookmarks through a database on the backend side and a model-view-controller system that connects frontend UI user manipulation.
+
+History and Bookmarks
+---------------------
+
+In Firefox 2, History and Bookmarks used to be kept into separate databases in the Resource Description Framework format (`RDF format`_).
+
+However, Firefox 3 implemented the Places system. It has been done due to multiple reasons, such as:
+
+  * **Performance**: certain search or maintenance operations were very slow
+  * **Reliability**: the filesystem facing side of RDF was not so robust, often causing corruption or unexpected states
+  * **Flexibility**: being able to cross data allows for interesting features, like the Awesome Bar
+  * **Maintainability**: the future of RDF was unclear, while SQLite is actively maintained and used by a large number of applications
+
+  .. _RDF format: https://en.wikipedia.org/wiki/Resource_Description_Framework
+
+Where to Start
+--------------
+
+For the high-level, non-technical summary of how History and Bookmarks works, read :doc:`nontechnical-overview`.
+For more specific, technical details of implementation, read :doc:`architecture-overview`.
+
+Table of Contents
+-----------------
+
+.. toctree::
+   :maxdepth: 2
+
+   nontechnical-overview
+   architecture-overview