sensors: Clarify what option -u is good for.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@6090 7894878c-1315-0410-8ee3-d5d059ff63e0

CHANGES

@@ -1,6 +1,9 @@
 lm-sensors CHANGES file
 -----------------------
 
+SVN HEAD
+  sensors: Clarify what option -u is good for
+
 3.3.3 "Happy Birthday Sophie" (2012-11-06)
   documentation: Update fan-divisors, fan divisors are optional
   libsensors: Fix warning about library path not in /etc/ld.so.conf

prog/sensors/main.c

@@ -60,7 +60,7 @@ static void print_long_help(void)
 	     "  -f, --fahrenheit      Show temperatures in degrees fahrenheit\n"
 	     "  -A, --no-adapter      Do not show adapter for each chip\n"
 	     "      --bus-list        Generate bus statements for sensors.conf\n"
-	     "  -u                    Raw output (debugging only)\n"
+	     "  -u                    Raw output\n"
 	     "  -v, --version         Display the program version\n"
 	     "\n"
 	     "Use `-' after `-c' to read the config file from stdin.\n"

prog/sensors/sensors.1

@@ -22,7 +22,7 @@
 .\" Formatted or processed versions of this manual, if unaccompanied by
 .\" the source, must acknowledge the copyright and authors of this work.
 .\"
-.TH sensors 1  "October 2007" "lm-sensors 3" "Linux User's Manual"
+.TH sensors 1  "November 2012" "lm-sensors 3" "Linux User's Manual"
 .SH NAME
 sensors \- print sensors information
 .SH SYNOPSIS
@@ -62,7 +62,10 @@ is evaluated.
 .IP "-A, --no-adapter"
 Do not show the adapter for each chip.
 .IP -u
-Raw output. This mode is only meant for debugging.
+Raw output. This mode is suitable for debugging and for post-processing
+of the output by scripts. It is also useful when writing a configuration
+file because it shows the raw input names which must be referenced in the
+configuration file.
 .IP "-v, --version"
 Print the program version and exit.
 .IP "-f, --fahrenheit"