static boolean isDark( String baseTheme ) {
		return "dark".equals( baseTheme ) || "darcula".equals( baseTheme ) || "macdark".equals( baseTheme );
	}
Supports parsing content of text area in FlatLaf properties syntax.

@author Karl Tauber
flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatThemePropertiesSupport.java