Merge pull request #25 from TLINDEN/doc/fix-formating

fix pod formatting (fixes #24)

calc.go

@@ -121,20 +121,28 @@ func (c *Calc) GetCompleteCustomFuncalls() func(string) []string {
 		}
 
 		for command := range c.SettingsCommands {
+			if len(command) > 1 {
 				completions = append(completions, command)
 			}
+		}
 
 		for command := range c.ShowCommands {
+			if len(command) > 1 {
 				completions = append(completions, command)
 			}
+		}
 
 		for command := range c.StackCommands {
+			if len(command) > 1 {
 				completions = append(completions, command)
 			}
+		}
 
 		for command := range c.Commands {
+			if len(command) > 1 {
 				completions = append(completions, command)
 			}
+		}
 
 		return completions
 	}

command.go

@@ -305,6 +305,15 @@ func (c *Calc) SetCommands() {
 
 	// aliases
 	c.Commands["quit"] = c.Commands["exit"]
-	c.SettingsCommands["undebug"] = c.SettingsCommands["nodebug"]
+
-	c.SettingsCommands["show"] = c.SettingsCommands["showstack"]
+	c.SettingsCommands["d"] = c.SettingsCommands["debug"]
+	c.SettingsCommands["b"] = c.SettingsCommands["batch"]
+	c.SettingsCommands["s"] = c.SettingsCommands["showstack"]
+
+	c.ShowCommands["h"] = c.ShowCommands["history"]
+	c.ShowCommands["p"] = c.ShowCommands["dump"]
+	c.ShowCommands["v"] = c.ShowCommands["vars"]
+
+	c.StackCommands["c"] = c.StackCommands["clear"]
+	c.StackCommands["u"] = c.StackCommands["undo"]
 }

rpn.go

@@ -178,17 +178,27 @@ DESCRIPTION
         [no]debug            toggle debug output (nodebug turns it off)
         [no]showstack        show the last 5 items of the stack (noshowtack turns it off)
 
-    Show commands: dump display the stack contents hex show last stack item
+    Show commands:
-    in hex form (converted to int) history display calculation history vars
-    show list of variables
 
-    Stack manipulation commands: clear clear the whole stack shift remove
+        dump                 display the stack contents
-    the last element of the stack reverse reverse the stack elements swap
+        hex                  show last stack item in hex form (converted to int)
-    exchange the last two stack elements dup duplicate last stack item undo
+        history              display calculation history
-    undo last operation edit edit the stack interactively using vi or
+        vars                 show list of variables
-    $EDITOR
 
-    Other commands: help|? show this message manual show manual
+    Stack manipulation commands:
+
+        clear                clear the whole stack
+        shift                remove the last element of the stack
+        reverse              reverse the stack elements
+        swap                 exchange the last two stack elements
+        dup                  duplicate last stack item
+        undo                 undo last operation
+        edit                 edit the stack interactively using vi or $EDITOR
+
+    Other commands:
+
+        help|?               show this message
+        manual               show manual
         quit|exit|c-d|c-c    exit program
 
     Register variables:
@@ -198,6 +208,17 @@ DESCRIPTION
 
     Refer to https://pkg.go.dev/math for details about those functions.
 
+    There are also a number of shortcuts for some commands available:
+
+        d    debug
+        b    batch
+        s    showstack
+        h    history
+        p    dump (aka print)
+        v    vars
+        c    clear
+        u    undo
+
 INTERACTIVE REPL
     While you can use rpn in the command-line, the best experience you'll
     have is the interactive repl (read eval print loop). Just execute "rpn"

rpn.pod

@@ -186,12 +186,14 @@ Configuration Commands:
     [no]showstack        show the last 5 items of the stack (noshowtack turns it off)
 
 Show commands:
+
     dump                 display the stack contents
     hex                  show last stack item in hex form (converted to int)
     history              display calculation history
     vars                 show list of variables
 
 Stack manipulation commands:
+
     clear                clear the whole stack
     shift                remove the last element of the stack
     reverse              reverse the stack elements
@@ -201,6 +203,7 @@ Stack manipulation commands:
     edit                 edit the stack interactively using vi or $EDITOR
 
 Other commands:
+
     help|?               show this message
     manual               show manual
     quit|exit|c-d|c-c    exit program
@@ -213,6 +216,17 @@ Register variables:
 
 Refer to https://pkg.go.dev/math for details about those functions.
 
+There are also a number of shortcuts for some commands available:
+
+    d    debug
+    b    batch
+    s    showstack
+    h    history
+    p    dump (aka print)
+    v    vars
+    c    clear
+    u    undo
+
 =head1 INTERACTIVE REPL
 
 While you can use rpn in the command-line, the best experience you'll