Name your plaintext files without any spaces and word separators.
That gives ability to use "goto file" ("gf") command on the word
under the cursor. If there is "[Foo/Bar]" word under the cursor,
then pressing "gf" will open Foo/Bar file for editing.

Run editor at the root of your notes directory for being able to
goto any page relative to the root.

Use expand("%:r") to get current file path relative to the root.

Use filename completion (:help compl-filename) to complete
directories and filenames in them.

Square bracketed links can be highlighted with:

    syntax region swgLink start="\[\S" end="\S]"
    highlight link swgLink String

Command ([FORMAT]) lines can be highlighted with:

    syntax match swgCmd /^.*
$/
    highlight swgCmd ctermbg=blue
