Can an EM dash replace a semicolon

Reference Mark up special characters in HTML

‘ & lsquo; single quotation mark left single quote ’ & rsquo; single quotation mark right single quote ‚ & sbquo; single lower quotation mark single low-9 quote “ & ldquo; quotation marks left double quote ” & rdquo; quotation marks right double quote „ & ldquo; Quotation marks below double low-9 odds † & dagger; dagger ‡ & Dagger; double dagger ‰ ? Promil per mill sign ‹ & lsaquo; single left-pointing angle quote › & rsaquo; single right-pointing angle quote♠ & spades; Playing card sheet black spade suit ♣ & Clubs; Playing cards cross black club suit ♥ & hearts; Playing card heart black heart suit ♦ & diams; Playing card diamonds black diamond suit ‾ & oline; top line overline = spacing overscore ← ? Arrow left leftward arrow → → Arrow right rightward arrow ↑ & uarr; Up arrow upward arrow ↓ & darr; Down arrow downward arrow ™ & trade; Trademark sign trademark sign &#09; horizontal tab horizontal tab &#10; line feed line feed &#32; Spaces space ! &#33; Exclamation mark exclamation mark " & quot; &#34; double quotes double quotation mark # &#35; $ &#36; Dollar sign dollar sign % &#37; Percent sign percent sign & & amp; &#38; ampersand ampersand ' &#39; apostrophe apostrophe ( &#40; Bracket open left parenthesis ) &#41; Clip closed right parenthesis * &#42; Star (asterisk) asterisk + &#43; Plus sign plus sign , &#44; comma comma - &#45; hyphen hyphen . &#46; Period sign period ⁄ & frasl; &#47; Slash slash 0 &#48; Numbers 0 to digits 0- 9 &#57; 9 digit 9 : &#58; Colon colon ; &#59; Dash-dot semicolon < & lt; &#60; Less than sign less-than sign = &#61; Equals sign equals sign > & gt; &#62; Greater than sign greater-than sign ? &#63; Question mark question mark @ &#64; Staple coffee at sign A to &#65; Capital letters A to uppercase letters A- Z &#90; Z uppercase letters Z [ &#91; square bracket on the left left square bracket \ &#92; Backslash backslash ] &#93; square bracket on the right right square bracket ^ &#94; top, roof caret _ &#95; underlined horizontal bar (underscore) ` &#96; Accent grave grave accent a to &#97; Lowercase letters a through lowercase letters a- z &#122; Lowercase letters to z lowercase letters -z { &#123; open curly bracket left curly brace | &#124; Vertical line vertical bar } &#125; curly bracket to right curly brace ~ &#126; tilde tilde – - &#150; short hyphen en dash — & mdash; &#151; Indent em dash ¡ & iexcl; &#161; inverted exclamation mark inverted exclamation ¢ ¢ &#162; cent cent sign £ ? &#163; engl. lb pound sterling ¤ & curren; &#164; general currency symbol general currency sign ¥ ¥ &#165; Yen currency yen sign ¦& brvbar; or & brkbar; &#166; broken vertical line broken vertical bar § & sect; &#167; Paragraph mark section sign ¨& uml; or & the; &#168; Umlaut symbol umlaut © & copy; &#169; copyright copyright ª & ordf; &#170; feminine ordinal « & laquo; &#171; left angle quote ¬ & not; &#172; Sign for not not sign ­ & shy; &#173; soft separator soft hyphae ® & reg; &#174; registered trademark registered trademark ¯ & macr; or? &#175; macron accent ° ° &#176; Degree sign degree sign ± ± &#177; Plus-minus signs plus or minus ² & sup2; &#178; 2 superscript superscript two ³ & sup3; &#179; 3 superscript superscript three ´ & acute; &#180; acute accent µ & micro; &#181; Mycro sign micro sign ¶ & para; &#182; Clause sign paragraph sign · · middot; &#183; Point in the middle middle dot ¸ & cedil; &#184; cedilla ¹ ? &#185; superscript one superscript one º & ordm; &#186; masculine ordinal » & raquo; &#187; right angle quote ¼ & frac14; &#188; a quarter one-fourth ½ ? &#189; a half one-half ¾ & frac34; &#190; three quarters three-fourths ¿ & iquest; &#; Question mark on head inverted question mark Ä & Auml; &#196; Umlaut Ä uppercase A, umlaut Ö & Ouml; &#214; Umlaut Ö uppercase O, umlaut × x &#; Multiplication sign multiplication sign O & Oslash; &#216; uppercase O, slash Ü & Uuml; &#220; Umlaut Ü uppercase U, umlaut ß & szlig; &#223; Sz lowercase sharps, German Ä & auml; &#228; Umlaut ä lowercase a, umlaut ö & ouml; &#246; Umlaut ö lowercase o, umlaut ÷ ? &#247; Shared sign division sign O & oslash; &#248; Average sign small lowercase o, slash ü & uuml; &#252; Umlaut ü lowercase u, umlaut