text:illustration-index-entry-template: allow hyperlinks (also: text:table-index-entry-template, text:object-index-entry-template, text:user-index-entry-template)

1. no change to part 1 should be needed other than updating the list of child/parent elements that is generated from the schema in 8.4.3, 8.5.3, 8.6.3, 8.7.3, 8.13.7, 8.13.8. 2. change schema to allow hyperlinks in illustration index entry template: --- OpenDocument-v1.2-os-schema.rng 2014-11-10 16:37:52.035133745 +0100 +++ tc/index-schema.rng 2017-12-08 15:44:53.657010629 +0100 @@ -2813,18 +2813,20 @@ <define name="text-illustration-index-entry-content"> <ref name="text-illustration-index-entry-template-attrs"/> <zeroOrMore> <choice> <ref name="text-index-entry-chapter"/> <ref name="text-index-entry-page-number"/> <ref name="text-index-entry-text"/> <ref name="text-index-entry-span"/> <ref name="text-index-entry-tab-stop"/> + <ref name="text-index-entry-link-start"/> + <ref name="text-index-entry-link-end"/> </choice> </zeroOrMore> </define> <define name="text-illustration-index-entry-template-attrs"> <attribute name="text:style-name"> <ref name="styleNameRef"/> </attribute> </define> <define name="text-table-index"> @@ -2973,18 +2975,20 @@ <element name="text:user-index-entry-template"> <ref name="text-user-index-entry-template-attrs"/> <zeroOrMore> <choice> <ref name="text-index-entry-chapter"/> <ref name="text-index-entry-page-number"/> <ref name="text-index-entry-text"/> <ref name="text-index-entry-span"/> <ref name="text-index-entry-tab-stop"/> + <ref name="text-index-entry-link-start"/> + <ref name="text-index-entry-link-end"/> </choice> </zeroOrMore> </element> </define> <define name="text-user-index-entry-template-attrs"> <interleave> <attribute name="text:outline-level"> <ref name="positiveInteger"/> </attribute>