Generators/Text: trim code titles

As things were, whitespace at the start/end of a title could cause unnecessary line wrapping of the title.

Fixed now.

Includes updated test expectations.

Author: jrfnl

src/Generators/Text.php

@@ -133,7 +133,7 @@ protected function printCodeComparisonBlock(DOMNode $node)
     {
         $codeBlocks = $node->getElementsByTagName('code');
         $first      = trim($codeBlocks->item(0)->nodeValue);
-        $firstTitle = $codeBlocks->item(0)->getAttribute('title');
+        $firstTitle = trim($codeBlocks->item(0)->getAttribute('title'));
 
         $firstTitleLines = [];
         $tempTitle       = '';
@@ -168,7 +168,7 @@ protected function printCodeComparisonBlock(DOMNode $node)
         $firstLines = explode("\n", $first);
 
         $second      = trim($codeBlocks->item(1)->nodeValue);
-        $secondTitle = $codeBlocks->item(1)->getAttribute('title');
+        $secondTitle = trim($codeBlocks->item(1)->getAttribute('title'));
 
         $secondTitleLines = [];
         $tempTitle        = '';

tests/Core/Generators/Expectations/ExpectedOutputCodeTitleWhitespace.txt

@@ -6,15 +6,13 @@
 This is a standard block.
 
 ----------------------------------------- CODE COMPARISON ------------------------------------------
-|   Valid: spaces at start of description.       | Invalid: spaces at end making line > 46 chars.  |
-|                                                |                                                 |
+| Valid: spaces at start of description.         | Invalid: spaces at end making line > 46 chars.  |
 ----------------------------------------------------------------------------------------------------
 | // Dummy.                                      | // Dummy.                                       |
 ----------------------------------------------------------------------------------------------------
 
 ----------------------------------------- CODE COMPARISON ------------------------------------------
-|   Valid: spaces at start + end of description. | Invalid: spaces '     ' in description.         |
-|                                                |                                                 |
+| Valid: spaces at start + end of description.   | Invalid: spaces '     ' in description.         |
 ----------------------------------------------------------------------------------------------------
 | // Note: description above without the         | // Dummy.                                       |
 | // trailing whitespace fits in 46 chars.       |                                                 |