Corrected several issues identified during review

client.go

@@ -407,9 +407,6 @@ func (c *client) doCommand(action string, values []string) {
 
 func (c *client) doCommandAs(action string, values []string) {
 	switch action {
-	case "C", "CHECK":
-		c.displayConfigValue(values[0])
-		c.DrawMessage()
 	case "ADD", "A":
 		if len(values) < 2 {
 			c.SetMessage(syntaxErrorMessage(action), true)
@@ -502,9 +499,6 @@ func (c *client) doLinkCommandAs(action, target string, values []string) {
 	}
 
 	switch action {
-	case "C", "CHECK":
-		c.displayConfigValue(values[0])
-		c.DrawMessage()
 	case "ADD", "A":
 		bm := make([]string, 0, 5)
 		bm = append(bm, links[num])

cmdparse/parser.go

@@ -94,10 +94,10 @@ func (p *Parser) parseAction() (*Command, error) {
 	case Value:
 		cm.Target = t.val
 		cm.Type = DOLINK
-	case Word, Action:
+	case Word:
 		cm.Value = append(cm.Value, t.val)
 		cm.Type = DO
-	case Whitespace:
+	case Action, Whitespace:
 		return nil, fmt.Errorf("Found %q (%d), expected value", t.val, t.kind)
 	}
 	t = p.scan()

help.go

@@ -1,6 +1,6 @@
 package main
 
-// ERRS maps commands to their help text
+// ERRS maps commands to their syntax error message
 var ERRS = map[string]string{
 	"A":         "`a [target] [name...]`",
 	"ADD":       "`add [target] [name...]`",