clarify the description of -T/--tabsize a bit in usage(), and add extra

{}'s to sunder() and unsunder() to make them a bit easier to read


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1662 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -32,6 +32,8 @@ CVS code -
   shortcut_init()
 	- Only allow verbatim input when we're not in view mode. (DLR)
 - nano.c:
+  usage()
+	- Clarify the description for -T/--tabsize a bit. (DLR)
   do_verbatim_input()
 	- Remove the now-unneeded code to disable XON, XOFF, and
 	  suspend, since we now go into raw mode in

src/nano.c

@@ -652,7 +652,7 @@ void usage(void)
 #ifndef NANO_SMALL
     print1opt("-S", "--smooth", _("Smooth scrolling"));
 #endif
-    print1opt(_("-T [num]"), _("--tabsize=[num]"), _("Set width of a tab to num"));
+    print1opt(_("-T [#cols]"), _("--tabsize=[#cols]"), _("Set width of a tab in cols to #cols"));
     print1opt("-V", "--version", _("Print version information and exit"));
 #ifdef ENABLE_COLOR
     print1opt(_("-Y [str]"), _("--syntax [str]"), _("Syntax definition to use"));

src/utils.c

@@ -94,20 +94,22 @@ void null_at(char **data, size_t index)
 void unsunder(char *str, size_t true_len)
 {
     assert(str != NULL);
-    for (; true_len > 0; true_len--, str++)
+    for (; true_len > 0; true_len--, str++) {
 	if (*str == '\0')
 	    *str = '\n';
     }
+}
 
 /* For non-null-terminated lines.  A line, by definition, shouldn't
  * normally have newlines in it, so decode its newlines into nulls. */
 void sunder(char *str)
 {
     assert(str != NULL);
-    for (; *str != '\0'; str++)
+    for (; *str != '\0'; str++) {
 	if (*str == '\n')
 	    *str = '\0';
     }
+}
 
 #ifndef HAVE_STRCASECMP
 /* This function is equivalent to strcasecmp(). */