Allora, affronto un problema per volta…
Ho compilato un breve testo di prova usando un esempio dalla introxelatex e compila correttamente.
Riportando una parte di quel codice nel mio file, ottengo invece un nuovo errore
`\documentclass[a4paper,twoside,titlepage,fleqn]{article}
\usepackage{xltxtra,eukdate}
\usepackage{textcomp}
\usepackage[T1]{fontenc}
\usepackage{amsmath}
\usepackage{unicode-math}
\defaultfontfeatures{Contextuals=NoAlternate}
\setmainfont[Ligatures=TeX,Numbers=OldStyle]{Minion Pro}
\setmathfont{XITS Math}
\setmathfont[range=\mathup]{Minion Pro}
\setmathfont[range=\mathbfup]{Minion Pro Bold}
\setmathfont[range=\mathit]{Minion Pro Italic}
\usepackage{units}
\usepackage{polyglossia}
\setmainlanguage{italian}
\setotherlanguage[variant=polytonic]{greek}
\setotherlanguage{latin}
\usepackage{microtype}
\usepackage[margin=2.5cm,heightrounded]{geometry}
\newrobustcmd\lining[1]{{\addfontfeatures{Numbers=Lining}#1}}
\setlength{\parindent}{0pt}
\setlength{\mathindent}{0pt}
\usepackage{graphicx}
\usepackage{tabularx}
\usepackage{multicol} % per righe multicolonna
\usepackage{multirow} % per colonne multiriga
\usepackage{booktabs} % per toprule midrule e bottomrule
\usepackage{ragged2e} % per sillabare nelle tabelle
\usepackage{enumitem} % per gli elenghi
\setlist{noitemsep}
\providerobustcmd\ap{\ifmmode^\expandafter\mathrm\else\expandafter\textsuperscript\fi}
\providerobustcmd\ped{\ifmmode^\expandafter\mathrm\else\expandafter\textsubscript\fi}
\usepackage{titletoc} % per l'indice
\contentsmargin{3em}
\dottedcontents{section}[2em]{}{2em}{0.6pc}
\usepackage{fancyhdr} %per le testatine
\pagestyle{fancy}
\setlength{\headheight}{14.5pt}
\fancyhf{}
\fancyhead[LE]{\thepage \hfill III D — Documento del 15 maggio }
\fancyhead[RO]{III D — Documento del 15 maggio \hfill \thepage}
%\newcommand{\LN}[1]{\foreignlanguage{latin}{\em #1}}
\newcommand{\LN}[2][]{%
\foreignlanguage{latin}{\em #1\hspace{0pt}#2}}
\newenvironment{latino}
{\begin{otherlanguage*}{latin}\em}
{\end{otherlanguage*}}
\newcommand{\GR}[1]{\foreignlanguage{greek}{#1}}
\newcommand{\omissis}{[\textellipsis\unkern]}
\newcommand{\verticale}[2][c]{%
\raisebox{1sp}{\smash{\rotatebox[origin=rc]{90}{%
\begin{tabular}{@{}#1@{}}#2\end{tabular}}}}}
\newcommand{\sqnum}[1]{%
\framebox[1.2em]{\kern-\fboxsep\small\sffamily#1\kern-\fboxsep}%
\quad\ignorespaces}
\newcommand{\multilineentry}[2][c]{%
\renewcommand{\arraystretch}{1}%
\begin{tabular}{@{}#1@{}}#2\end{tabular}}
\renewcommand{\sin}{\operatorname{sen}}
\renewcommand{\tan}{\operatorname{tg}}
\renewcommand{\cot}{\operatorname{cotg}}
\renewcommand{\arcsin}{\operatorname{arcsen}}
\newenvironment{lista}
{\par\setlength{\parindent}{0pt}%
\setlength{\parskip}{1ex plus 0.5ex minus 0.2ex}}
{\par}
% kerning dell'apostrofo per Minion Pro
\makeatletter
\catcode`\'=12
\def\qu@te{'}
\catcode`'=\active
\begingroup
\obeylines\obeyspaces%
\gdef\@resetactivechars{%
\def^^M{\@activechar@info{EOL}\space}%
\def {\@activechar@info{space}\space}%
}%
\endgroup
\providecommand\texorpdfstring[2]{#1}
\protected\def'{\texorpdfstring{\texqu@te}{\string'}}
\def\texqu@te{\relax
\ifmmode
\expandafter^\expandafter\bgroup\expandafter\prim@s
\else
\expandafter\futurelet\expandafter\@let@token\expandafter\qu@t@
\fi}
\def\qu@t@{%
\ifx'\@let@token
\qu@te\qu@te\expandafter\@gobble
\else
{}\qu@te{}\penalty\@M\hskip\expandafter\z@skip
\fi}
\scantokens\expandafter{%
\expandafter\def\expandafter\pr@m@s\expandafter{\pr@m@s}}
\makeatother
\usepackage{hyperref}
\hypersetup{hyperindex}
\usepackage{bookmark}
\begin{document}
\begin{titlepage}
\begin{center}
\valign{\vfill\hbox{#}\vfill\cr
\llap{\includegraphics[width=1.8cm]{logo}\hspace{1.5cm}}\cr
\begin{tabular}{@{}c@{}}
\bfseries LICEO GINNASIO STATALE \\
\bfseries «RAIMONDO FRANCHETTI» — VENEZIA-MESTRE \\
Corso del Popolo, 82 VE-MESTRE 30172 \\
{\small Tel. 041/5315531 — Fax 041/5328524} \\
{\small e-mail: segreteria@liceofranchetti.it} \\
{\small Cod. fiscale 82007660275 — Cod. Scuola VEPC04000L}
\end{tabular}\cr}
\vfill
ESAME di STATO
a. s. 2010–2011
\vspace{2cm}
{\Large{\textbf{DOCUMENTO DEL CONSIGLIO DI CLASSE}}}
(Art. 5, D.P.R. 323/98)
\vspace{2cm}
{\Large{\textbf{CLASSE III D}}}
\vspace{3cm}
Venezia–Mestre, 15 maggio 2011
\vfill
Dirigente Scolastico: prof. ******
\end{center}
\end{titlepage}
%\begingroup
%\advance\hsize-10em
%\vspace*{\stretch{1}}
%\centering\tableofcontents
%\vspace*{\stretch{1}}
%\endgroup
\begin{center}
\vspace*{\stretch{1}}
\mbox{\parbox{.8\textwidth}{\tableofcontents}}
\vspace*{\stretch{1}}
\end{center}
\newpage
\section{Composizione del Consiglio di classe}
\bigskip
\begin{tabular}{l@{\qquad}l}
\toprule
\textbf{Materia} & \textbf{Docente} \\
\midrule
Italiano & Carlo Fabbiani \\
Latino & Silvia Talluri \\
Greco & Silvia Talluri \\
Lingua Straniera (Inglese) & *********** \\
Storia & Mauro Sacchetto \\
Filosofia & Mauro Sacchetto \\
Matematica & ********* \\
Fisica & ********** \\
Scienze Naturali & ********** \\
Storia dell'Arte & ************* \\
Educazione Fisica & ********** \\
Religione cattolica & ***************** \\[1ex]
Docente coordinatore & Mauro Sacchetto \\
\bottomrule
\end{tabular}`
e per la riga della tabella ottengo
`LaTeX Font Warning: Font shape `T1/XITSMath(1)/m/n' undefined
(Font) using `T1/cmr/m/n' instead on input line 111.
(/usr/local/texlive/2013/texmf-dist/tex/latex/microtype/mt-cmr.cfg)
LaTeX Font Warning: Font shape `T1/XITSMath(2)/m/n' undefined
(Font) using `T1/cmr/m/n' instead on input line 111.
! Math formula deleted: Insufficient symbol fonts.
\resetMathstrut@ ->\setbox \z@ \hbox {$($
}\ht \Mathstrutbox@ \ht \z@ \dp \Ma…
l.111 \begin{tabular}
{@{}c@{}}
?
`
e qui mi fermo…
m