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DOC: clarify usetex versus mathtext #27017

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Oct 8, 2023
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DOC: clarify usetex versus mathtext #27017

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4 changes: 4 additions & 0 deletions doc/users/prev_whats_new/whats_new_3.8.0.rst
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Expand Up @@ -327,6 +327,10 @@ This allows users to set the location of the legend in a more flexible and consi
Mathtext improvements
=====================

Improvements are to Mathtext, Matplotlib's native TeX-like mathematics parser
(see :ref:`mathtext`, not to be confused with Matplotlib using LaTeX directly:
:ref:`usetex`).

Boldsymbol mathtext command ``\boldsymbol``
-------------------------------------------

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14 changes: 9 additions & 5 deletions galleries/users_explain/text/mathtext.py
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Expand Up @@ -8,11 +8,15 @@
================================

Matplotlib implements a lightweight TeX expression parser and layout engine and
*Mathtext* is the subset of Tex markup that this engine supports. Any string can
be processed as Mathtext by placing the string inside a pair of dollar signs
``'$'``. Mathtext often contains many backslashes ``'\'``; so that the backslashes
do not need to be escaped, Mathtext is often written using raw strings. For
example:
*Mathtext* is the subset of Tex markup that this engine supports. Note that
Matplotlib can also render all text directly using TeX if :rc:`text.usetex` is
*True*; see :ref:`usetex` for more details. Mathtext support is available
if :rc:`text.usetex` is *False*.

Any string can be processed as Mathtext by placing the string inside a pair of
dollar signs ``'$'``. Mathtext often contains many backslashes ``'\'``; so that
the backslashes do not need to be escaped, Mathtext is often written using raw
strings. For example:
"""

import matplotlib.pyplot as plt
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