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https://github.com/searxng/searxng
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docs(dev): add more markups to reST primer
- Literal blocks - Unicode substitution - Horizontal list - Math equations Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
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Markus Heiser
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@ -49,6 +49,8 @@ extlinks['durole'] = (
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'http://docutils.sourceforge.net/docs/ref/rst/roles.html#%s', '')
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extlinks['dudir'] = (
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'http://docutils.sourceforge.net/docs/ref/rst/directives.html#%s', '')
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extlinks['ctan'] = (
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'https://ctan.org/pkg/%s', 'CTAN: ')
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extensions = [
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'sphinx.ext.extlinks',
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@ -11,10 +11,12 @@ reST primer
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We at searx are using reStructuredText (aka reST_) markup for all kind of
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documentation, with the builders from the Sphinx_ project a HTML output is
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generated and deployed at :docs:`github.io <.>`.
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generated and deployed at :docs:`github.io <.>`. For build prerequisites read
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:ref:`docs build`.
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The sources of Searx's documentation are located at :origin:`docs`. Run
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:ref:`make docs-live <make docs-live>` to build HTML while editing.
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The source files of Searx's documentation are located at :origin:`docs`. Sphinx
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assumes source files to be encoded in UTF-8 by defaul. Run :ref:`make docs-live
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<make docs-live>` to build HTML while editing.
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.. sidebar:: Further reading
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@ -318,6 +320,123 @@ To list all anchors of the inventory (e.g. ``python``) use:
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$ python -m sphinx.ext.intersphinx https://docs.python.org/3/objects.inv
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Literal blocks
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==============
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The simplest form of :duref:`literal-blocks` is a indented block introduced by
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two colons (``::``). For highlighting use :dudir:`highlight` or :ref:`reST
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code` directive. To include literals from external files use directive
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:dudir:`literalinclude`.
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.. _reST literal:
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``::``
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------
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.. code:: reST
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::
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Literal block
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Lorem ipsum dolor::
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Literal block
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Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
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eirmod tempor invidunt ut labore ::
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Literal block
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.. admonition:: Literal block
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:class: rst-example
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::
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Literal block
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Lorem ipsum dolor::
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Literal block
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Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
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eirmod tempor invidunt ut labore ::
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Literal block
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.. _reST code:
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``code-block``
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--------------
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.. _pygments: https://pygments.org/languages/
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.. sidebar:: Syntax highlighting
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is handled by pygments_.
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The :rst:dir:`code-block` directive is a variant of the :dudir:`code` directive
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with additional options. To learn more about code literals visit
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:ref:`sphinx:code-examples`.
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.. code-block:: reST
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The URL ``/stats`` handle is shown in :ref:`stats-handle`
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.. code-block:: Python
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:caption: python code block
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:name: stats-handle
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@app.route('/stats', methods=['GET'])
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def stats():
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"""Render engine statistics page."""
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stats = get_engines_stats()
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return render(
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'stats.html'
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, stats = stats )
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.. code-block:: reST
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.. admonition:: Code block
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:class: rst-example
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The URL ``/stats`` handle is shown in :ref:`stats-handle`
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.. code-block:: Python
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:caption: python code block
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:name: stats-handle
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@app.route('/stats', methods=['GET'])
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def stats():
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"""Render engine statistics page."""
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stats = get_engines_stats()
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return render(
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'stats.html'
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, stats = stats )
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Unicode substitution
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====================
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The :dudir:`unicode directive <unicode-character-codes>` converts Unicode
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character codes (numerical values) to characters. This directive can only be
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used within a substitution definition.
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.. code-block:: reST
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.. |copy| unicode:: 0xA9 .. copyright sign
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.. |(TM)| unicode:: U+2122
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Trademark |(TM)| and copyright |copy| glyphs.
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.. admonition:: Unicode
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:class: rst-example
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.. |copy| unicode:: 0xA9 .. copyright sign
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.. |(TM)| unicode:: U+2122
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Trademark |(TM)| and copyright |copy| glyphs.
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.. _reST roles:
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@ -351,7 +470,7 @@ The general markup is one of:
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:rst:role:`kbd` :kbd:`C-x C-f` ``:kbd:`C-x C-f```
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:rst:role:`menuselection` :menuselection:`Open --> File` ``:menuselection:`Open --> File```
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:rst:role:`download` :download:`this file <reST.rst>` ``:download:`this file <reST.rst>```
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:rst:role:`math` :math:`a^2 + b^2 = c^2` ``:math:`a^2 + b^2 = c^2```
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math_ :math:`a^2 + b^2 = c^2` ``:math:`a^2 + b^2 = c^2```
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:rst:role:`ref` :ref:`svg image example` ``:ref:`svg image example```
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:rst:role:`command` :command:`ls -la` ``:command:`ls -la```
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:durole:`emphasis` :emphasis:`italic` ``:emphasis:`italic```
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@ -371,16 +490,17 @@ Figures & Images
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is flexible. To get best results in the generated output format, install
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ImageMagick_ and Graphviz_.
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Searx's sphinx setup includes: :ref:`linuxdoc:kfigure`. Scalable here means;
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scalable in sense of the build process. Normally in absence of a converter
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Searx's sphinx setup includes: :ref:`linuxdoc:kfigure`. Scaleable here means;
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scaleable in sense of the build process. Normally in absence of a converter
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tool, the build process will break. From the authors POV it’s annoying to care
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about the build process when handling with images, especially since he has no
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access to the build process. With :ref:`linuxdoc:kfigure` the build process
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continues and scales output quality in dependence of installed image processors.
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If you want to add an image, you should use the ``kernel-figure`` and
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``kernel-image`` directives. E.g. to insert a figure with a scalable image
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format use SVG (:ref:`svg image example`):
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If you want to add an image, you should use the ``kernel-figure`` (inheritance
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of :dudir:`figure`) and ``kernel-image`` (inheritance of :dudir:`image`)
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directives. E.g. to insert a figure with a scaleable image format use SVG
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(:ref:`svg image example`):
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.. code:: reST
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@ -389,7 +509,7 @@ format use SVG (:ref:`svg image example`):
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.. kernel-figure:: svg_image.svg
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:alt: SVG image example
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simple SVG image
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Simple SVG image
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To refer the figure, a caption block is needed: :ref:`svg image example`.
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@ -398,7 +518,7 @@ format use SVG (:ref:`svg image example`):
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.. kernel-figure:: svg_image.svg
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:alt: SVG image example
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simple SVG image
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Simple SVG image.
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To refer the figure, a caption block is needed: :ref:`svg image example`.
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@ -571,6 +691,35 @@ List markup (:duref:`ref <bullet-lists>`) is simple:
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#. It has two items too.
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Horizontal list
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---------------
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The :rst:dir:`.. hlist:: <hlist>` transforms a bullet list into a more compact
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list.
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.. code:: reST
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.. hlist::
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- first list item
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- second list item
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- third list item
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...
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.. admonition:: hlist
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:class: rst-example
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.. hlist::
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- first list item
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- second list item
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- third list item
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- next list item
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- next list item xxxx
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- next list item yyyy
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- next list item zzzz
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Definition list
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---------------
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@ -1158,70 +1307,84 @@ Tabbed views
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With `sphinx-tabs`_ extension we have *tabbed views*. To provide installation
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instructions with one tab per distribution we use the `group-tabs`_ directive,
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others are basic-tabs_ and code-tabs_.
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others are basic-tabs_ and code-tabs_. Below a *group-tab* example from
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:ref:`docs build` is shown:
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.. literalinclude:: ../admin/buildhosts.rst
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:language: reST
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:start-after: .. _system requirements:
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:end-before: .. _system requirements END:
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.. _math:
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Math equations
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==============
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.. _Mathematics: https://en.wikibooks.org/wiki/LaTeX/Mathematics
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.. _amsmath user guide:
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http://vesta.informatik.rwth-aachen.de/ftp/pub/mirror/ctan/macros/latex/required/amsmath/amsldoc.pdf
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.. sidebar:: About LaTeX
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- `amsmath user guide`_
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- Mathematics_
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- :ref:`docs build`
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The input language for mathematics is LaTeX markup using the :ctan:`amsmath`
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package.
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To embed LaTeX markup in reST documents, use role :rst:role:`:math: <math>` for
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inline and directive :rst:dir:`.. math:: <math>` for block markup.
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.. code:: reST
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.. tabs::
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In :math:numref:`schroedinger general` the time-dependent Schrödinger equation
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is shown.
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.. group-tab:: Linux
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.. math::
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:label: schroedinger general
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Linux Line 1
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\mathrm{i}\hbar\dfrac{\partial}{\partial t} |\,\psi (t) \rangle =
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\hat{H} |\,\psi (t) \rangle.
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.. group-tab:: Mac OSX
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Mac OSX Line 1
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.. group-tab:: Windows
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Windows Line 1
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.. tabs::
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.. group-tab:: Linux
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Linux Line 1
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.. group-tab:: Mac OSX
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Mac OSX Line 1
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.. group-tab:: Windows
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Windows Line 1
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.. admonition:: Tabbed view (grouped)
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.. admonition:: LaTeX math equation
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:class: rst-example
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.. tabs::
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In :math:numref:`schroedinger general` the time-dependent Schrödinger equation
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is shown.
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.. group-tab:: Linux
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.. math::
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:label: schroedinger general
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Linux Line 1
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\mathrm{i}\hbar\dfrac{\partial}{\partial t} |\,\psi (t) \rangle =
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\hat{H} |\,\psi (t) \rangle.
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.. group-tab:: Mac OSX
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Mac OSX Line 1
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The next example shows the difference of ``\tfrac`` (*textstyle*) and ``\dfrac``
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(*displaystyle*) used in a inline markup or another fraction.
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.. group-tab:: Windows
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.. code:: reST
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Windows Line 1
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``\tfrac`` **inline example** :math:`\tfrac{\tfrac{1}{x}+\tfrac{1}{y}}{y-z}`
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``\dfrac`` **inline example** :math:`\dfrac{\dfrac{1}{x}+\dfrac{1}{y}}{y-z}`
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.. tabs::
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.. admonition:: Line spacing
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:class: rst-example
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.. group-tab:: Linux
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Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
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eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam
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voluptua. ...
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``\tfrac`` **inline example** :math:`\tfrac{\tfrac{1}{x}+\tfrac{1}{y}}{y-z}`
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At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd
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gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.
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Linux Line 1
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.. group-tab:: Mac OSX
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Mac OSX Line 1
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.. group-tab:: Windows
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Windows Line 1
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Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
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eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam
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voluptua. ...
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``\tfrac`` **inline example** :math:`\dfrac{\dfrac{1}{x}+\dfrac{1}{y}}{y-z}`
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At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd
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gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.
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.. _KISS: https://en.wikipedia.org/wiki/KISS_principle
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