[MacPorts] #41708: textproc xml and sgml ports packaging and bugfixes

[MacPorts]

#41708: textproc xml and sgml ports packaging and bugfixes
-------------------------+-------------------------------------------------
 Reporter:               |      Owner:  macports-tickets@…
  tlockhart1976@…        |     Status:  new
     Type:  enhancement  |  Milestone:
 Priority:  Normal       |    Version:  2.2.1
Component:  ports        |       Port:  docbook-dsssl,docbook-sgml-4.2
 Keywords:  haspatch     |  ,docbook-utils,docbook-xml,docbook-xsl,docbook-
  maintainer             |  xsl-ns,iso8879,openjade,sgml-
                         |  common,xhtml1,xmlroff
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 There are several textproc/ packages which rely on using and updating
 common catalog files. Each package has a slightly different way of dealing
 with these catalogs, and each package fails to handle some common and edge
 case failure modes.
 These patches introduce a new group "xmlcatalog" and uses code in this
 group to support common operations in each of these packages.
 The new group "xmlcatalog" also lays the groundwork for possible future
 updates which need to be managed across packages sharing this catalog
 information.
 These packages include some for which I am a maintainer and some which
 have no active maintainer.
 Affected ports are docbook-dsssl,docbook-sgml-4.2,docbook-utils,docbook-
 xml,docbook-xsl,docbook-xsl-ns,iso8879,openjade,sgml-common,xhtml1,xmlroff
 and a new group xmlcatalog-1.0.tcl is introduced.

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Ticket URL: <https://trac.macports.org/ticket/41708>
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