function — The name of a function or subroutine, as in a programming language
function ::=
altanchorannotationbibliorefindexterm (db.indexterm.endofrange)indexterm (db.indexterm.singular)indexterm (db.indexterm.startofrange)inlinemediaobjectlinkolinkphrase (db._phrase)remarkreplaceablesubscriptsuperscriptxrefThis element marks up the name of a function.  To markup the
parts of a function definition, see FuncSynopsis.
Formatted inline.
In some environments, the Function element generates 
additional punctuation, such as a set of trailing parenthesis.
These elements contain function: bridgehead, citation, citetitle, classsynopsisinfo, emphasis (db.emphasis), entry, firstterm, funcdef, funcsynopsisinfo, glosssee, glossseealso, glossterm, html:button, html:label, html:legend, link, literallayout, member, olink, orgdiv, para, phrase (db.phrase), primary, primaryie, programlisting, quote, refdescriptor, refentrytitle, refname, refpurpose, screen, secondary, secondaryie, see, seealso, seealsoie, seeie, seg, segtitle, simpara, subtitle, synopsis, td, term, termdef, tertiary, tertiaryie, th, title, titleabbrev, tocentry.
The following elements occur in function: text, alt, anchor, annotation, biblioref, indexterm (db.indexterm.endofrange), indexterm (db.indexterm.singular), indexterm (db.indexterm.startofrange), inlinemediaobject, link, olink, phrase (db._phrase), remark, replaceable, subscript, superscript, xref.
funcdef, funcparams, funcprototype, funcsynopsisinfo, paramdef, parameter, returnvalue, varargs, void