I'm confused. You seem to have taken a step back (the latest error is saying that the input file doesn't exist). You started with this:

$ pandoc GENIe_scripting_reference.md -o GENIe_scripting_reference.pdf
YAML parse exception at line 9, column 9: mapping values are not allowed in this context

Starting with the downloaded file, this worked for me:

$ perl -pe 's/^---$/---\n/igs' GENIe_scripting_reference.md >GENIe_scripting_reference.fixed.md
$ pandoc GENIe_scripting_reference.fixed.md -o GENIe_scripting_reference.pdf

Note that Albert's suggestion (i.e., ensure that "---" lines are always followed by a blank line) is much better than mine. My suggestion caused problems with unintentional tables (due, I suppose, to "- - -" lines not being followed by blank lines).

William

On Wed, 22 Jun 2022 at 00:43, almaghfuur lahu <budikusasi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
I forgot i'd better believe i put wrong command. Here'd be the valid one:

$ pandoc -f markdown -t pdf  GENIe_scripting_reference.md -o GENIe_scripting_reference.pdf
pandoc: GENIe_scripting_reference.md: openBinaryFile: does not exist (No such file or directory)

as i'm noob in mark up/down file processing, still have no idea how to solve it
On Tuesday, 21 June 2022 at 22:03:02 UTC+7 William Lupton wrote:
Thanks. Is that documented? From a quick scan I didn't see it at https://pandoc.org/MANUAL.html#extension-yaml_metadata_block (but maybe I missed it).

On Tue, 21 Jun 2022 at 14:54, Albert Krewinkel <albert...-9EawChwDxG8hFhg+JK9F0w@public.gmane.org> wrote:

William Lupton <wlu...-QSt+ys/nuMyEUIsrzH9SikB+6BGkLq7r@public.gmane.org> writes:

> Perhaps there are some heuristics that control whether pandoc decides
> that a given block is YAML. Maybe lines like this one are being taken
> to be YAML?

The heuristic applied by pandoc is "if there's a line containing the
string `---`, and if that line is not followed by a blank line, and if
there's a closing `---` later in the text, then treat it as a YAML
block.

So adding a blank line after `---` should fix this as well.


--
Albert Krewinkel
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