Improve micro -help output

Author: dmaluka

cmd/micro/micro.go

@@ -47,23 +47,24 @@ var (
 
 func InitFlags() {
 	flag.Usage = func() {
-		fmt.Println("Usage: micro [OPTIONS] [FILE]...")
+		fmt.Println("Usage: micro [OPTION]... [FILE]... [+LINE[:COL]]")
+		fmt.Println("       micro [OPTION]... [FILE[:LINE[:COL]]]...  (only if the `parsecursor` option is enabled)")
 		fmt.Println("-clean")
-		fmt.Println("    \tCleans the configuration directory")
+		fmt.Println("    \tClean the configuration directory and exit")
 		fmt.Println("-config-dir dir")
 		fmt.Println("    \tSpecify a custom location for the configuration directory")
-		fmt.Println("[FILE]:LINE:COL (if the `parsecursor` option is enabled)")
-		fmt.Println("+LINE:COL")
+		fmt.Println("FILE:LINE[:COL] (only if the `parsecursor` option is enabled)")
+		fmt.Println("FILE +LINE[:COL]")
 		fmt.Println("    \tSpecify a line and column to start the cursor at when opening a buffer")
 		fmt.Println("-options")
-		fmt.Println("    \tShow all option help")
+		fmt.Println("    \tShow all options help and exit")
 		fmt.Println("-debug")
 		fmt.Println("    \tEnable debug mode (enables logging to ./log.txt)")
 		fmt.Println("-profile")
 		fmt.Println("    \tEnable CPU profiling (writes profile info to ./micro.prof")
 		fmt.Println("    \tso it can be analyzed later with \"go tool pprof micro.prof\")")
 		fmt.Println("-version")
-		fmt.Println("    \tShow the version number and information")
+		fmt.Println("    \tShow the version number and information and exit")
 
 		fmt.Print("\nMicro's plugins can be managed at the command line with the following commands.\n")
 		fmt.Println("-plugin install [PLUGIN]...")
@@ -80,7 +81,7 @@ func InitFlags() {
 		fmt.Println("    \tList available plugins")
 
 		fmt.Print("\nMicro's options can also be set via command line arguments for quick\nadjustments. For real configuration, please use the settings.json\nfile (see 'help options').\n\n")
-		fmt.Println("-option value")
+		fmt.Println("-<option> value")
 		fmt.Println("    \tSet `option` to `value` for this session")
 		fmt.Println("    \tFor example: `micro -syntax off file.c`")
 		fmt.Println("\nUse `micro -options` to see the full list of configuration options")