Disable double spaces between sentences in GNU fmt

fmt.patch

diff --git a/src/fmt.c b/src/fmt.c
index d1e3bc3..6c5f982 100644
--- a/src/fmt.c
+++ b/src/fmt.c
@@ -40,7 +40,7 @@
    "best".  Adjust to taste, subject to the caveats given.  */
 
 /* Default longest permitted line length (max_width).  */
-#define WIDTH	75
+#define WIDTH	76
 
 /* Prefer lines to be LEEWAY % shorter than the maximum width, giving
    room for optimization.  */
@@ -286,8 +286,8 @@ The option -WIDTH is an abbreviated form of --width=DIGITS.\n\
          format string:  xgettext:no-c-format */
       fputs (_("\
   -t, --tagged-paragraph    indentation of first line different from second\n\
-  -u, --uniform-spacing     one space between words, two after sentences\n\
-  -w, --width=WIDTH         maximum line width (default of 75 columns)\n\
+  -u, --uniform-spacing     one space between words and after sentences\n\
+  -w, --width=WIDTH         maximum line width (default of 76 columns)\n\
   -g, --goal=WIDTH          goal width (default of 93% of width)\n\
 "), stdout);
       fputs (HELP_OPTION_DESCRIPTION, stdout);
@@ -654,8 +654,8 @@ same_para (int c)
 /* Read a line from input file F, given first non-blank character C
    after the prefix, and the following indent, and break it into words.
    A word is a maximal non-empty string of non-white characters.  A word
-   ending in [.?!]["')\]]* and followed by end-of-line or at least two
-   spaces ends a sentence, as in emacs.
+   ending in [.?!]["')\]]* and followed by end-of-line or at least one
+   space ends a sentence.
 
    Return the first non-blank character of the next line.  */
 
@@ -694,11 +694,9 @@ get_line (FILE *f, int c)
       start = in_column;
       c = get_space (f, c);
       word_limit->space = in_column - start;
-      word_limit->final = (c == EOF
-                           || (word_limit->period
-                               && (c == '\n' || word_limit->space > 1)));
+      word_limit->final = (c == EOF || word_limit->period);
       if (c == '\n' || c == EOF || uniform)
-        word_limit->space = word_limit->final ? 2 : 1;
+        word_limit->space = 1;
       if (word_limit == end_of_word)
         {
           set_other_indent (true);

Patch extracted from the Arachsys Linux coreutils package