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$NetBSD$

(Build with `USETOOLS=never make'.)

--- fmt.c.orig	2017-10-13 00:11:56.000000000 +0000
+++ fmt.c
@@ -402,13 +402,10 @@ split(const wchar_t line[], int add_spac
 		}
 
 		/*
-		 * Guarantee a space at end of line. Two spaces after end of
-		 * sentence punctuation. 
+		 * Guarantee a space at end of line.
 		 */
 		if (*cp == '\0' && add_space) {
 			buf_putc(&word, ' ');
-			if (strchr(".:!", cp[-1]))
-				buf_putc(&word, ' ');
 		}
 		while (*cp == ' ')
 			buf_putc(&word, *cp++);