fix use of its vs it's

Author: moregan

lib/PPI/Token/Unknown.pm

@@ -290,7 +290,7 @@ sub __TOKENIZER__on_char {
 			return $t->_finalize_token->__TOKENIZER__on_char( $t );
 		}
 
-		# It MIGHT be a label, but its probably the ?: trinary operator
+		# It MIGHT be a label, but it's probably the ?: trinary operator
 		$t->{class} = $t->{token}->set_class( 'Operator' );
 		return $t->{class}->__TOKENIZER__on_char( $t );
 	}

lib/PPI/Token/Whitespace.pm

@@ -369,7 +369,7 @@ sub __TOKENIZER__on_char {
 		return 'Regexp::Match' if $prec eq '';
 
 		# What about the char after the slash? There's some things
-		# that would be highly illogical to see if its an operator.
+		# that would be highly illogical to see if it's an operator.
 		my $next_char = substr $t->{line}, $t->{line_cursor} + 1, 1;
 		if ( defined $next_char and length $next_char ) {
 			if ( $next_char =~ /(?:\^|\[|\\)/ ) {

lib/PPI/Token/Word.pm

@@ -316,7 +316,7 @@ sub __TOKENIZER__commit {
 
 	my $token_class;
 	if ( $word =~ /\:/ ) {
-		# Since its not a simple identifier...
+		# Since it's not a simple identifier...
 		$token_class = 'Word';
 
 	} elsif ( $KEYWORDS{$word} and $t->__current_token_is_forced_word ) {
@@ -336,11 +336,11 @@ sub __TOKENIZER__commit {
 		# Get tokens early to be sure to not disturb state set up by pos and m//gc.
 		my $tokens = $t->_previous_significant_tokens(1);
 
-		# If the next character is a ':' then its a label...
+		# If the next character is a ':' then it's a label...
 		pos $t->{line} = $t->{line_cursor};
 		if ( $t->{line} =~ m/\G(\s*:)(?!:)/gc ) {
 			if ( $tokens and $tokens->[0]->{content} eq 'sub' ) {
-				# ... UNLESS its after 'sub' in which
+				# ... UNLESS it's after 'sub' in which
 				# case it is a sub name and an attribute
 				# operator.
 				# We COULD have checked this at the top

lib/PPI/Token/_QuoteEngine/Full.pm

@@ -42,7 +42,7 @@ BEGIN {
 
 		# The final ( and kind of depreciated ) "first match only" one is not
 		# used yet, since I'm not sure on the context differences between
-		# this and the trinary operator, but its here for completeness.
+		# this and the trinary operator, but it's here for completeness.
 		'?'   => { operator => undef, braced => 0,     separator => '?',   _sections => 1, modifiers => 1 },
 	);
 }