Update cheatsheets

mupdf

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# mupdf
+
+> A lightweight PDF, XPS, and E-book viewer.
+> More information: <https://www.mupdf.com>.
+
+- Open a PDF on the first page:
+
+`mupdf {{path/to/file}}`
+
+- Open a PDF on page 3:
+
+`mupdf {{path/to/file}} {{3}}`
+
+- Open a password secured PDF:
+
+`mupdf -p {{password}} {{path/to/file}}`
+
+- Open a PDF with an initial zoom level, specified as DPI, of 72:
+
+`mupdf -r {{72}} {{path/to/file}}`
+
+- Open a PDF with inverted color:
+
+`mupdf -I {{path/to/file}}`
+
+- Open a PDF tinted red #FF0000 (hexadecimal color syntax RRGGBB):
+
+`mupdf -C {{FF0000}}`
+
+- Open a PDF without anti-aliasing (0 = off, 8 = best):
+
+`mupdf -A {{0}}`