XML syntax uses some characters for tags and attributes it is not possible to directly use those characters inside XML tags or attribute values.
| Code | Name | Displayed as |
| Horizontal tab | non-printing | |
| Line feed | non-printing | |
| Carriage Return | non-printing | |
| Space | non-printing | |
| ! | Exclamation mark | ! |
| " | Quotation mark | “ |
| # | Number sign | # |
| $ | Dollar sign | $ |
| % | Percent sign | % |
| & | Ampersand | & |
| ' | Apostrophe | ‘ |
| ( | Left parenthesis | ( |
| ) | Right parenthesis | ) |
| * | Asterisk | * |
| + | Plus sign | + |
| , | Comma | , |
| - | Hyphen | – |
| . | Period | . |
| / | Slash | / |
| : | Colon | : |
| ; | Semi-colon | ; |
| < | Less than | < |
| = | Equals sign | = |
| > | Greater than | > |
| ? | Question mark | ? |
| @ | At | @ |
| [ | Left square bracket | [ |
| \ | Blackslash | \ |
| ] | Right square bracket | ] |
| ^ | Caret | ^ |
| _ | Underscore | _ |
| ` | Acute accent | ` |
| { | Left curly brace | { |
| | | Vertical bar | | |
| } | Right curly brace | } |
| ~ | Tilde | ~ |