ー
Technical information
| Name: | Katakana-hiragana Prolonged Sound Mark |
| Symbol: | ー |
| Unicode Number: | U+030FC |
| HTML Code: | ー ー |
| HTML Entity: | |
| CSS Code: | \30FC |
| UTF-8 Encoding: | 0x30FC |
| UTF-16 Encoding: | 0x000030FC |
| UTF-32 Encoding: | 0x00000000000030FC |