Variable: markdown-command-needs-filename
markdown-command-needs-filename is a customizable variable defined in
markdown-mode.el.
Value
nil
Documentation
Set to non-nil if markdown-command does not accept input from stdin.
Instead, it will be passed a filename as the final command line option. As a result, you will only be able to run Markdown from buffers which are visiting a file.
Source Code
;; Defined in ~/.emacs.d/elpa/markdown-mode-20260321.143/markdown-mode.el
(defcustom markdown-command-needs-filename nil
"Set to non-nil if `markdown-command' does not accept input from stdin.
Instead, it will be passed a filename as the final command line
option. As a result, you will only be able to run Markdown from
buffers which are visiting a file."
:group 'markdown
:type 'boolean)