Function scope_equals

nested/src/modify-ecmascript.js:129–129

	const captures = (i_group, si_scope) => `$.contexts..*[?(@.captures["${i_group}"]=="${si_scope}")]`;
	const scope_equals = si_scope => `$.contexts..*[?(@.scope=="${si_scope}")]`;

	let f_escape_backtick = match_replace(/([`])/g, '\\\\$1');