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Using Emacs for XML documents

Install add-ons to the powerful Emacs text editor to build a platform-independent (and free) environment for working with XML

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Listing 3. xhtml1.soc - SGML catalog file for XHTML

OVERRIDE        YES

PUBLIC  "-//W3C//DTD XHTML 1.0 Strict//EN"        "xhtml1-strict.dtd"
PUBLIC  "-//W3C//DTD XHTML 1.0 Transitional//EN"  "xhtml1-transitional.dtd"
PUBLIC  "-//W3C//DTD XHTML 1.0 Frameset//EN"      "xhtml1-frameset.dtd"
-- added DTDDECLs for use with onsgmls --
DTDDECL  "-//W3C//DTD XHTML 1.0 Strict//EN"        "xhtml1.dcl"
DTDDECL  "-//W3C//DTD XHTML 1.0 Transitional//EN"  "xhtml1.dcl"
DTDDECL  "-//W3C//DTD XHTML 1.0 Frameset//EN"      "xhtml1.dcl"

PUBLIC  "-//W3C//ENTITIES Latin 1 for XHTML//EN"  "xhtml-lat1.ent"
PUBLIC  "-//W3C//ENTITIES Symbols for XHTML//EN" "xhtml-symbol.ent"
PUBLIC  "-//W3C//ENTITIES Special for XHTML//EN" "xhtml-special.ent"

DOCTYPE html "xhtml1-transitional.dtd"