Summary: Add headerClass/footerClass at the dataTable "column" level;
Issue Detail:
https://javaserverfaces-spec-public.dev.java.net/issues/show_bug.cgi?id=4
SECTION: Modified Files
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M jsf-api/doc/standard-html-renderkit-base.xml
M jsf-api/doc/standard-html-renderkit.xml
--- added entry for HtmlColumn
--- included column-props.xml
M jsf-ri/src/com/sun/faces/renderkit/html_basic/TableRenderer.java
--- for each child column, render the headerClass/footerClass column
attributes (if present); Otherwise default to the table level
headerClass/footerClass (if present)
M jsf-ri/src/com/sun/faces/taglib/html_basic/ColumnTag.java
--- add headerClass/footerClass properties; include in setProperties method.
M jsf-ri/web/test/RenderResponse_correct
--- new golden file for test
M jsf-ri/web/test/TestRenderResponsePhase.jsp
--- include h:dataTable with two nested columns
M jsf-tools/conf/TAG-DEF-12.txt
M jsf-tools/conf/TAG-DEF-21.txt
--- include headerClass/footerClass attributes
A jsf-api/doc/column-props.xml
--- new properties for "column" (headerClass/footerClass)