world {
	external-commands {
		preview {
			dir "exa" "-l" "--all" "--color=always" "--group-directories-first" "--git" "$DIR"
			file "bat" "--color=always" "$FILE"
			file-line "bat" "--color=always" "--line-range" "$FIRST:$LAST" "-H" "$LINE" "$FILE"
		}
		open {
			file "$EDITOR" "$FILE"
			file-jump "$EDITOR" "$FILE:$LINE:$COLUMN"
			// file-jump  "nvim" "$FILE" "+call cursor($LINE, $COLUMN)"
			dir "zellij" "action" "new-pane" "--cwd" "$DIR" "--" "broot"
			url "firefox" "$URL"
			pipe-$SNIPPET_TEXT-into "wl-copy"
		}
		
	}
	surf-parsing {
		// regex can be arbitrary, but the named groups `description`, `url`
		// must exist, otherwise panics will entail
		markdown-reference-link-regex  r#"\[(?P<description>[^\]]+)\]\((?P<url>[^\)]+)\)"#	
		url-regex  r#"^https?://\S+"#		

		file-dest-has-line-regex r#".*:[0-9]+$"#		
		// regex can be arbitrary, but the named groups `whitespace`, `checkmark`, `task_text`
		// must exist, otherwise panics will entail.
		// checkmark must be one char, either ' ' or 'x', otherwise the behaviour is hard
		// to predict.
		//
		// the nesting will be computed as the the length of `whitespace` group in bytes
		// divided by 2
		task-item-regex r#"(?P<whitespace>(  )*)- \[(?P<checkmark>[x ])\]\s+(?P<task_text>.+)"#
	}
	notes-work-dir "/home/user/notes"
	keymap {
		explore {
		    open_xdg "ctrl-o"
		    populate_search_with_backlinks "ctrl-h"
		    populate_search_with_forwardlinks "ctrl-l"    
		    toggle_preview_type "ctrl-t"
		    widen_to_all_notes "ctrl-w"
		    surf_note_subtree "ctrl-s"
		    checkmark_note "ctrl-k"
		    rename_note "alt-r"
		    link_from_selected_note "alt-l"
		    unlink_from_selected_note "alt-u"
		    remove_note "alt-d"
		    create_autolinked_note "alt-c"
		    toggle_links_direction "alt-f"
		    splice_reachable_children_of_note "alt-s"
		    narrow_selection "alt-n"
		    decrease_unlisted_threshold "alt-o"
		    increase_unlisted_threshold "alt-p"
		    push_note_to_stack "alt-a"
		    switch_mode_to_stack "ctrl-a"
		}
		surf {
			open_xdg "ctrl-o" 
			jump_to_link_or_snippet "ctrl-j"
			return_to_explore "ctrl-e"
		}
		checkmark {
			jump_to_task "ctrl-j"
			copy_task_subtree_into_clipboard "ctrl-y"
			widen_context_to_all_tasks "ctrl-w"			
			narrow_context_to_selected_task_subtree "ctrl-l"
			return_to_explore "ctrl-e"
		}
		stack {
			toggle_preview_type "ctrl-t"
			pop_note_from_stack "alt-p"
			move_note_to_top_of_stack "alt-t"
			return_to_explore "ctrl-e"
			swap_with_above "alt-u"
			swap_with_below "alt-d"
			deselect_all "ctrl-q"
			
		}
	}

	color {
		// used for markdown of notes' names, task items' titles
		// 
		// used for code snippets in various syntaxes (syntax is hinted by ```tag)
		theme "/home/user/Downloads/file.tmTheme"
		elements {
		    links {
				parent_name r#" {"r":242,"g":242,"b":223} "#
				url r#" {"r":144,"g":238,"b":144} "#
				file r#" {"r":216,"g":191,"b":216} "#
				dir r#" {"r":147,"g":112,"b":219} "#
				broken r#" {"r":255,"g":0,"b":0} "#
				code_block r#" {"r":135,"g":206,"b":250} "#
				unlisted  r#" {"r":180,"g":180,"b":180} "#
				cycle r#" {"r":210,"g":180,"b":140} "#
			}
			notes {
				tag  r#" {"r":0,"g":255,"b":255} "#
				// `root` and 1 more special tag
				special_tag  r#" {"r":255,"g":0,"b":0} "#
			}
		}
	}

}