[cpp.replace] Introduced semantic line break

Author: AlisdairM

source/preprocessor.tex

@@ -1802,7 +1802,8 @@
 and each new-line character is
 replaced by the two-character sequence \tcode{\textbackslash n}.
 If the replacement that results is not a valid character string literal,
-the program is ill-formed. The character string literal corresponding to
+the program is ill-formed.
+The character string literal corresponding to
 an empty stringizing argument is \tcode{""}.
 The order of evaluation of
 \tcode{\#}