 	# Macro: .RB
 	"macro-roman-bold":
 		name: "markup.roman-bold.roff"
-		begin: "^([.'][ \t]*RB)(?=[ \t]|$)"
+		begin: "^([.'][ \t]*RB)(?=[ \t\\\\]|$)"
 		end:   "(?<!\\\\)(?=\n)"
 		beginCaptures:
 			1: {name: "entity.function.name.roff"}

	# Macro: .RI
	"macro-roman-italic":
		name: "markup.roman-italic.roff"
		begin: "^([.'][ \t]*RI)(?=[ \t]|$)"
		end:   "(?<!\\\\)(?=\n)"
		beginCaptures:
			1: {name: "entity.function.name.roff"}

	# Macro: .I
	"macro-italic":
		name: "markup.italic.roff"
		begin: "^[.'][ \t]*I(?:$|[ \t]+|(?=\\\\))"
		end:   "([^\n ]+ ?\n)"
		patterns: [{ include: "$self" }]
	
