Very long horizontal dash twice the width of an em dash, called an omission dash, used for missing text and in Chinese for abrupt thought changes or continued tone.
98 characters in the Supplemental Punctuation Unicode block.
U+2E00RIGHT ANGLE SUBSTITUTION MARKERU+2E01RIGHT ANGLE DOTTED SUBSTITUTION MARKERU+2E02LEFT SUBSTITUTION BRACKETU+2E03RIGHT SUBSTITUTION BRACKETU+2E04LEFT DOTTED SUBSTITUTION BRACKETU+2E05RIGHT DOTTED SUBSTITUTION BRACKETU+2E06RAISED INTERPOLATION MARKERU+2E07RAISED DOTTED INTERPOLATION MARKERU+2E08DOTTED TRANSPOSITION MARKERU+2E09LEFT TRANSPOSITION BRACKETU+2E0ARIGHT TRANSPOSITION BRACKETU+2E0BRAISED SQUAREU+2E0CLEFT RAISED OMISSION BRACKETU+2E0DRIGHT RAISED OMISSION BRACKETU+2E0EEDITORIAL CORONISU+2E0FPARAGRAPHOSU+2E10FORKED PARAGRAPHOSU+2E11REVERSED FORKED PARAGRAPHOSU+2E12HYPODIASTOLEU+2E13DOTTED OBELOSU+2E14DOWNWARDS ANCORAU+2E15UPWARDS ANCORAU+2E16DOTTED RIGHT-POINTING ANGLEU+2E17DOUBLE OBLIQUE HYPHENU+2E18INVERTED INTERROBANGU+2E19PALM BRANCHU+2E1AHYPHEN WITH DIAERESISU+2E1BTILDE WITH RING ABOVEU+2E1CLEFT LOW PARAPHRASE BRACKETU+2E1DRIGHT LOW PARAPHRASE BRACKETU+2E1ETILDE WITH DOT ABOVEU+2E1FTILDE WITH DOT BELOWU+2E20LEFT VERTICAL BAR WITH QUILLU+2E21RIGHT VERTICAL BAR WITH QUILLU+2E22TOP LEFT HALF BRACKETU+2E23TOP RIGHT HALF BRACKETU+2E24BOTTOM LEFT HALF BRACKETU+2E25BOTTOM RIGHT HALF BRACKETU+2E26LEFT SIDEWAYS U BRACKETU+2E27RIGHT SIDEWAYS U BRACKETU+2E28LEFT DOUBLE PARENTHESISU+2E29RIGHT DOUBLE PARENTHESISU+2E2ATWO DOTS OVER ONE DOT PUNCTUATIONU+2E2BONE DOT OVER TWO DOTS PUNCTUATIONU+2E2CSQUARED FOUR DOT PUNCTUATIONU+2E2DFIVE DOT MARKU+2E2EREVERSED QUESTION MARKU+2E2FVERTICAL TILDEU+2E30RING POINTU+2E31WORD SEPARATOR MIDDLE DOTU+2E32TURNED COMMAU+2E33RAISED DOTU+2E34RAISED COMMAU+2E35TURNED SEMICOLONU+2E36DAGGER WITH LEFT GUARDU+2E37DAGGER WITH RIGHT GUARDU+2E38TURNED DAGGERU+2E39TOP HALF SECTION SIGNU+2E3ATWO-EM DASHU+2E3BTHREE-EM DASHU+2E3CSTENOGRAPHIC FULL STOPU+2E3DVERTICAL SIX DOTSU+2E3EWIGGLY VERTICAL LINEU+2E3FCAPITULUMU+2E40DOUBLE HYPHENU+2E41REVERSED COMMAU+2E42DOUBLE LOW-REVERSED-9 QUOTATION MARKU+2E43DASH WITH LEFT UPTURNU+2E44DOUBLE SUSPENSION MARKU+2E45INVERTED LOW KAVYKAU+2E46INVERTED LOW KAVYKA WITH KAVYKA ABOVEU+2E47LOW KAVYKAU+2E48LOW KAVYKA WITH DOTU+2E49DOUBLE STACKED COMMAU+2E4ADOTTED SOLIDUSU+2E4BTRIPLE DAGGERU+2E4CMEDIEVAL COMMAU+2E4DPARAGRAPHUS MARKU+2E4EPUNCTUS ELEVATUS MARKU+2E4FCORNISH VERSE DIVIDERU+2E50CROSS PATTY WITH RIGHT CROSSBARU+2E51CROSS PATTY WITH LEFT CROSSBARU+2E52TIRONIAN SIGN CAPITAL ETU+2E53MEDIEVAL EXCLAMATION MARKU+2E54MEDIEVAL QUESTION MARKU+2E55LEFT SQUARE BRACKET WITH STROKEU+2E56RIGHT SQUARE BRACKET WITH STROKEU+2E57LEFT SQUARE BRACKET WITH DOUBLE STROKEU+2E58RIGHT SQUARE BRACKET WITH DOUBLE STROKEU+2E59TOP HALF LEFT PARENTHESISU+2E5ATOP HALF RIGHT PARENTHESISU+2E5BBOTTOM HALF LEFT PARENTHESISU+2E5CBOTTOM HALF RIGHT PARENTHESISU+2E5DOBLIQUE HYPHENU+2E60WIGGLY EXCLAMATION MARKU+2E61INVERTED WIGGLY EXCLAMATION MARKU+2E62LEFT PARENTHESIS WITH MIDDLE RINGU+2E63RIGHT PARENTHESIS WITH MIDDLE RING