Diff between Special characters for HTML (HTML 4.01 file) and 21e2489cef6dcd03d579b0ee328ac271

<!-- Special characters for HTML -->

<!-- Character entity set. Typical invocation:
     <!ENTITY % HTMLspecial PUBLIC
       "-//W3C//ENTITIES Special//EN//HTML">
     %HTMLspecial; -->

<!-- Portions (C) International Organization for Standardization 1986:
<!-- Portions © International Organization for Standardization 1986:
     Permission to copy in any form is granted for use with
     conforming SGML systems and applications as defined in
     ISO 8879, provided this notice is included in all copies.
-->

<!-- Relevant ISO entity set is given unless names are newly introduced.
     New names (i.e., not in ISO 8879 list) do not clash with any
     existing ISO 8879 entity names. ISO 10646 character numbers
     are given for each character, in hex. CDATA values are decimal
     conversions of the ISO 10646 values and refer to the document
     character set. Names are ISO 10646 names. 

-->

<!-- C0 Controls and Basic Latin -->
<!ENTITY quot    CDATA "&#34;"   -- quotation mark = APL quote,
                                    U+0022 ISOnum -->
<!ENTITY amp     CDATA "&#38;"   -- ampersand, U+0026 ISOnum -->
<!ENTITY lt      CDATA "&#60;"   -- less-than sign, U+003C ISOnum -->
<!ENTITY gt      CDATA "&#62;"   -- greater-than sign, U+003E ISOnum -->

<!-- Latin Extended-A -->
<!ENTITY OElig   CDATA "&#338;"  -- latin capital ligature OE,
                                    U+0152 ISOlat2 -->
<!ENTITY oelig   CDATA "&#339;"  -- latin small ligature oe, U+0153 ISOlat2 -->
<!-- ligature is a misnomer, this is a separate character in some languages -->
<!ENTITY Scaron  CDATA "&#352;"  -- latin capital letter S with caron,
                                    U+0160 ISOlat2 -->
<!ENTITY scaron  CDATA "&#353;"  -- latin small letter s with caron,
                                    U+0161 ISOlat2 -->
<!ENTITY Yuml    CDATA "&#376;"  -- latin capital letter Y with diaeresis,
                                    U+0178 ISOlat2 -->

<!-- Spacing Modifier Letters -->
<!ENTITY circ    CDATA "&#710;"  -- modifier letter circumflex accent,
                                    U+02C6 ISOpub -->
<!ENTITY tilde   CDATA "&#732;"  -- small tilde, U+02DC ISOdia -->

<!-- General Punctuation -->
<!ENTITY ensp    CDATA "&#8194;" -- en space, U+2002 ISOpub -->
<!ENTITY emsp    CDATA "&#8195;" -- em space, U+2003 ISOpub -->
<!ENTITY thinsp  CDATA "&#8201;" -- thin space, U+2009 ISOpub -->
<!ENTITY zwnj    CDATA "&#8204;" -- zero width non-joiner,
                                    U+200C NEW RFC 2070 -->
<!ENTITY zwj     CDATA "&#8205;" -- zero width joiner, U+200D NEW RFC 2070 -->
<!ENTITY lrm     CDATA "&#8206;" -- left-to-right mark, U+200E NEW RFC 2070 -->
<!ENTITY rlm     CDATA "&#8207;" -- right-to-left mark, U+200F NEW RFC 2070 -->
<!ENTITY ndash   CDATA "&#8211;" -- en dash, U+2013 ISOpub -->
<!ENTITY mdash   CDATA "&#8212;" -- em dash, U+2014 ISOpub -->
<!ENTITY lsquo   CDATA "&#8216;" -- left single quotation mark,
                                    U+2018 ISOnum -->
<!ENTITY rsquo   CDATA "&#8217;" -- right single quotation mark,
                                    U+2019 ISOnum -->
<!ENTITY sbquo   CDATA "&#8218;" -- single low-9 quotation mark, U+201A NEW -->
<!ENTITY ldquo   CDATA "&#8220;" -- left double quotation mark,
                                    U+201C ISOnum -->
<!ENTITY rdquo   CDATA "&#8221;" -- right double quotation mark,
                                    U+201D ISOnum -->
<!ENTITY bdquo   CDATA "&#8222;" -- double low-9 quotation mark, U+201E NEW -->
<!ENTITY dagger  CDATA "&#8224;" -- dagger, U+2020 ISOpub -->
<!ENTITY Dagger  CDATA "&#8225;" -- double dagger, U+2021 ISOpub -->
<!ENTITY permil  CDATA "&#8240;" -- per mille sign, U+2030 ISOtech -->
<!ENTITY lsaquo  CDATA "&#8249;" -- single left-pointing angle quotation mark,
                                    U+2039 ISO proposed -->
<!-- lsaquo is proposed but not yet ISO standardized -->
<!ENTITY rsaquo  CDATA "&#8250;" -- single right-pointing angle quotation mark,
                                    U+203A ISO proposed -->
<!-- rsaquo is proposed but not yet ISO standardized -->
<!ENTITY euro   CDATA "&#8364;"  -- euro sign, U+20AC NEW -->