DOCBOOK: bug report

[Mike]

iso-num.ent line 19 reads:
<!ENTITY lt "&#38;#60;"> <!-- LESS-THAN SIGN -->
should be:
<!ENTITY lt "&#x003C;"> <!-- LESS-THAN SIGN -->

iso-num.ent line 31 reads:
<!ENTITY amp "&#38;#38;"> <!-- AMPERSAND -->
should be:
<!ENTITY amp "&#x0026;"> <!-- AMPERSAND -->