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Cosmetics.

--- a/src/util.c

+++ b/src/util.c

@@ -131,28 +131,26 @@

     int i;

     const st_format_t *f;

-    if (! formp->filetype){

-        st_fail_errno(formp,

-                      ST_EFMT,

-                      "Filetype was not specified");

-        return(ST_EFMT);

+    if (!formp->filetype) {

+        st_fail_errno(formp, ST_EFMT, "Filetype was not specified");

+        return ST_EFMT;

     }

-    for(i = 0; st_format_fns[i]; i++) {

+    for (i = 0; st_format_fns[i]; i++) {

         f = st_format_fns[i]();

         if (is_file_extension && (f->flags & ST_FILE_NOFEXT))

           continue; /* don't match special device names in real file names */

         for (list = f->names; *list; list++) {

             const char *s1 = *list, *s2 = formp->filetype;

-            if (! strcasecmp(s1, s2))

+            if (!strcasecmp(s1, s2))

                 break;  /* not a match */

         }

-        if (! *list)

+        if (!*list)

             continue;

         /* Found it! */

         formp->h = f;

         return ST_SUCCESS;

     }

-    st_fail_errno(formp, ST_EFMT, "File type '%s' is not known",

+    st_fail_errno(formp, ST_EFMT, "File type `%s' is not known",

                   formp->filetype);

     return ST_EFMT;

 }