Fix small lint & spelling issues

encoding.go

@@ -46,7 +46,7 @@ var encodingFallback EncodingFallback = EncodingFallbackFail
 // Aliases can be registered as well, for example "8859-15" could be an alias
 // for "ISO8859-15".
 //
-// For POSIX systems, the tcell pacakge will check the environment variables
+// For POSIX systems, the tcell package will check the environment variables
 // LC_ALL, LC_CTYPE,  and LANG (in that order) to determine the character set.
 // These are expected to have the following pattern:
 //

mkinfo.go

@@ -94,7 +94,7 @@ func setupterm(name string) error {
 	plist = append(plist, "")
 	rsn := C.int(0)
 
-	for _, p := range(plist) {
+	for _, p := range plist {
 		// Override environment
 		if p == "" {
 			os.Unsetenv("TERMINFO")

screen.go

@@ -133,7 +133,7 @@ type Screen interface {
 	Sync()
 
 	// CharacterSet returns information about the character set.
-	// This isn't the full locale, but it does give us the input/ouput
+	// This isn't the full locale, but it does give us the input/output
 	// character set.  Note that this is just for diagnostic purposes,
 	// we normally translate input/output to/from UTF-8, regardless of
 	// what the user's environment is.

simulation.go

@@ -417,7 +417,7 @@ outer:
 		continue
 	}
 
-	return failed == false
+	return !failed
 }
 
 func (s *simscreen) Sync() {

terminfo.go

@@ -725,7 +725,7 @@ func loadFromFile(fname string, term string) (*Terminfo, error) {
 	}
 }
 
-// LookupTerminfo attemps to find a definition for the named $TERM.
+// LookupTerminfo attempts to find a definition for the named $TERM.
 // It first looks in the builtin database, which should cover just about
 // everyone.  If it can't find one there, then it will attempt to read
 // one from the JSON file located in either $TCELLDB, $HOME/.tcelldb