pandoc: update page (#16110)

pages/common/pandoc.md

@@ -3,17 +3,25 @@
 > Convert documents between various formats.
 > More information: <https://pandoc.org/MANUAL.html>.
 
-- Convert file to PDF (the output format is determined by file extension):
+- Convert a Markdown file to PDF using `pdflatex` (the formats are determined by file extensions):
 
 `pandoc {{path/to/input.md}} {{[-o|--output]}} {{path/to/output.pdf}}`
 
+- Convert a Markdown file to PDF using the specified PDF engine:
+
+`pandoc {{path/to/input.md}} --pdf-engine {{tectonic|weasyprint|typst|...}} {{[-o|--output]}} {{path/to/output.pdf}}`
+
 - Convert to a standalone file with the appropriate headers/footers (for LaTeX, HTML, etc.):
 
 `pandoc {{path/to/input.md}} {{[-s|--standalone]}} {{[-o|--output]}} {{path/to/output.html}}`
 
-- Manually specify format detection and conversion (overriding automatic format detection using filename extension or when filename extension is missing altogether):
+- Manually specify formats (overriding automatic format detection using the filename extension, or when there is no extension):
 
-`pandoc {{-f|-r|--from|--read}} {{docx|...}} {{path/to/input}} {{-t|-w|--to|--write}} {{pdf|...}} {{[-o|--output]}} {{path/to/output}}`
+`pandoc {{[-f|--from]}} {{docx|...}} {{path/to/input}} {{[-t|--to]}} {{pdf|...}} {{[-o|--output]}} {{path/to/output}}`
+
+- Transform a document using a Lua script (see <https://pandoc.org/lua-filters.html> for more information):
+
+`pandoc {{path/to/input}} {{[-L|--lua-filter]}} {{path/to/filter.lua}} {{[-o|--output]}} {{path/to/output}}`
 
 - List all supported input formats: