prettier readme

Author: nschloe

README.md

@@ -31,12 +31,13 @@ The output of tikzplotlib is in
 top of [PGF/TikZ](https://en.wikipedia.org/wiki/PGF/TikZ) and describes graphs in terms
 of axes, data etc. Consequently, the output of tikzplotlib
 
-  * retains more information,
-  * can be more easily understood, and
-  * is more easily editable
+-   retains more information,
+-   can be more easily understood, and
+-   is more easily editable
 
 than [raw TikZ output](https://matplotlib.org/users/whats_new.html#pgf-tikz-backend).
 For example, the matplotlib figure
+
 ```python
 import matplotlib.pyplot as plt
 import numpy as np
@@ -67,6 +68,7 @@ mpl.rcParams.update(mpl.rcParamsDefault)
 ```
 -->
 (see above) gives
+
 ```latex
 \begin{tikzpicture}
 
@@ -108,6 +110,7 @@ table {%
 
 \end{tikzpicture}
 ```
+
 (Use `get_tikz_code()` instead of `save()` if you want the code as a string.)
 
 Tweaking the plot is straightforward and can be done as part of your TeX work flow.
@@ -121,33 +124,39 @@ Notably, [3D plots don't work](https://github.com/matplotlib/matplotlib/issues/7
 
 tikzplotlib is [available from the Python Package
 Index](https://pypi.org/project/tikzplotlib/), so simply do
+
 ```
 pip install tikzplotlib
 ```
-to install.
 
+to install.
 
 ### Usage
 
 1. Generate your matplotlib plot as usual.
 
 2. Instead of `pyplot.show()`, invoke tikzplotlib by
+
     ```python
     import tikzplotlib
 
     tikzplotlib.save("mytikz.tex")
     # or
     tikzplotlib.save("mytikz.tex", flavor="context")
     ```
-   to store the TikZ file as `mytikz.tex`.
+
+    to store the TikZ file as `mytikz.tex`.
 
 3. Add the contents of `mytikz.tex` into your TeX source code. A convenient way of
    doing so is via
+
     ```latex
     \input{/path/to/mytikz.tex}
     ```
-   Also make sure that the packages for PGFPlots and proper Unicode support and are
-   included in the header of your document:
+
+    Also make sure that the packages for PGFPlots and proper Unicode support and are
+    included in the header of your document:
+
     ```latex
     \usepackage[utf8]{inputenc}
     \usepackage{pgfplots}
@@ -156,7 +165,9 @@ to install.
     \usetikzlibrary{patterns,shapes.arrows}
     \pgfplotsset{compat=newest}
     ```
-   or:
+
+    or:
+
     ```latex
     \setupcolors[state=start]
     \usemodule[tikz]
@@ -167,7 +178,9 @@ to install.
     \unexpanded\def\startgroupplot{\groupplot}
     \unexpanded\def\stopgroupplot{\endgroupplot}
     ```
-   You can also get the code via:
+
+    You can also get the code via:
+
     ```python
     import tikzplotlib
 
@@ -177,6 +190,7 @@ to install.
     ```
 
 4. Optional: clean up the figure before exporting to tikz using the `clean_figure` command.
+
     ```python
     import matplotlib.pyplot as plt
     import numpy as np
@@ -188,9 +202,10 @@ to install.
     tikzplotlib.clean_figure()
     tikzplotlib.save("test.tex")
     ```
+
     The command will remove points that are outside the axes limits, simplify curves and
     reduce point density for the specified target resolution.
-    
+
     The feature originated from the
     [matlab2tikz](https://github.com/matlab2tikz/matlab2tikz) project and is adapted to
     matplotlib.
@@ -201,7 +216,6 @@ If you experience bugs, would like to contribute, have nice examples of what
 tikzplotlib can do, or if you are just looking for more information, then please
 visit [tikzplotlib's GitHub page](https://github.com/nschloe/tikzplotlib).
 
-
 ### Testing
 
 tikzplotlib has automatic unit testing to make sure that the software doesn't
@@ -210,6 +224,7 @@ Those run through tikzplotlib and compare the output with a previously stored
 reference TeX file.
 
 To run the tests, just check out this repository and type
+
 ```
 pytest
 ```