Move banner.png to markdown.png

Makefile

@@ -16,7 +16,7 @@ EXAMPLES=examples/context-mkii.pdf examples/context-mkiv.pdf \
 TESTS=tests/test.sh tests/support/*.tex tests/templates/*/*.tex.m4 \
   tests/templates/*/COMMANDS.m4 tests/testfiles/*/*.test
 MAKES=Makefile $(addsuffix /Makefile, $(SUBDIRECTORIES)) latexmkrc
-ROOT_README=README.md banner.png
+ROOT_README=README.md markdown.png
 READMES=$(ROOT_README) LICENSE examples/README.md tests/README.md \
   tests/support/README.md tests/templates/README.md tests/testfiles/README.md \
   tests/templates/*/README.md tests/testfiles/*/README.md

README.md

@@ -63,7 +63,7 @@ hours) and use its [LaTeXMK][] tool:
 A PDF document named `workdir/document.pdf` should be produced and contain the
 following output:
 
- ![banner](banner.png "An example LaTeX document using the Markdown package")
+ ![banner](markdown.png "An example LaTeX document using the Markdown package")
 
 Congratulations, you have just typeset your first Markdown document! 🥳
 

markdown.dtx

@@ -11803,14 +11803,14 @@ conference article:
 %    \usepackage[theme=witiko/graphicx/http]{markdown}
 %    \begin{document}
 %    \begin{markdown}
-%    ![img](https://github.com/witiko/markdown/raw/main/banner.png
+%    ![img](https://github.com/witiko/markdown/raw/main/markdown.png
 %           "The banner of the Markdown package")
 %    \end{markdown}
 %    \end{document}
 %    ```````
 %    Typesetting the above document produces the output shown in
 %    Figure \vref{fig:witiko/graphicx/http}.
-%    ![img](https://github.com/witiko/markdown/raw/main/banner.png
+%    ![img](https://github.com/witiko/markdown/raw/main/markdown.png
 %           "The banner of the Markdown package \label{fig:witiko/graphicx/http}")
      The theme requires the \pkg{catchfile} \LaTeX{} package and a Unix-like
      operating system with GNU Coreutils `md5sum` and either GNU Wget or cURL
@@ -11829,7 +11829,7 @@ following content:
 \usepackage[theme=witiko/graphicx/http]{markdown}
 \begin{document}
 \begin{markdown}
-![img](https://github.com/witiko/markdown/raw/main/banner.png
+![img](https://github.com/witiko/markdown/raw/main/markdown.png
        "The banner of the Markdown package")
 \end{markdown}
 \end{document}
@@ -11841,7 +11841,7 @@ lualatex document.tex
 A PDF document named `document.pdf` should be produced and contain the
 following image:
 
-> ![img](https://github.com/witiko/markdown/raw/main/banner.png
+> ![img](https://github.com/witiko/markdown/raw/main/markdown.png
 >        "The banner of the Markdown package")
 
 %</manual-options>