%2multibyte Version: 5.50.0.2960 CodePage: 65001
\documentclass{article}
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%TCIDATA{OutputFilter=LATEX.DLL}
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%TCIDATA{Codepage=65001}
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%TCIDATA{BibliographyScheme=Manual}
%TCIDATA{Created=Thursday, February 28, 2013 00:38:04}
%TCIDATA{LastRevised=Thursday, February 28, 2013 00:40:35}
%TCIDATA{}
%TCIDATA{}
%TCIDATA{CSTFile=40 LaTeX article.cst}
\newtheorem{theorem}{Theorem}
\newtheorem{acknowledgement}[theorem]{Acknowledgement}
\newtheorem{algorithm}[theorem]{Algorithm}
\newtheorem{axiom}[theorem]{Axiom}
\newtheorem{case}[theorem]{Case}
\newtheorem{claim}[theorem]{Claim}
\newtheorem{conclusion}[theorem]{Conclusion}
\newtheorem{condition}[theorem]{Condition}
\newtheorem{conjecture}[theorem]{Conjecture}
\newtheorem{corollary}[theorem]{Corollary}
\newtheorem{criterion}[theorem]{Criterion}
\newtheorem{definition}[theorem]{Definition}
\newtheorem{example}[theorem]{Example}
\newtheorem{exercise}[theorem]{Exercise}
\newtheorem{lemma}[theorem]{Lemma}
\newtheorem{notation}[theorem]{Notation}
\newtheorem{problem}[theorem]{Problem}
\newtheorem{proposition}[theorem]{Proposition}
\newtheorem{remark}[theorem]{Remark}
\newtheorem{solution}[theorem]{Solution}
\newtheorem{summary}[theorem]{Summary}
\newenvironment{proof}[1][Proof]{\noindent\textbf{#1.} }{\ \rule{0.5em}{0.5em}}
\input{tcilatex}
\begin{document}
Correct $\mathcal{LLLL}$
Not correct \QTR{cal}{LLLL} \ \ \ (appear to be in Maths mode, but are, in
fact, in Text mode)
Corrected $\mathcal{LLLL}$ \ \ \ (by highlighting and clicking on the black
T / red M to convert to Maths mode)
\end{document}