-\DeclareOldFontCommand{\mc}{\normalfont\mcfamily}{\mathmc}
-\DeclareOldFontCommand{\gt}{\normalfont\gtfamily}{\mathgt}
-\DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm}
-\DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
-\DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}
-\DeclareOldFontCommand{\bf}{\normalfont\bfseries}{\mathbf}
-\DeclareOldFontCommand{\it}{\normalfont\itshape}{\mathit}
-\DeclareOldFontCommand{\sl}{\normalfont\slshape}{\@nomath\sl}
-\DeclareOldFontCommand{\sc}{\normalfont\scshape}{\@nomath\sc}
+\newif\if@jsc@warnoldfontcmd
+\@jsc@warnoldfontcmdtrue
+\newif\if@jsc@warnoldfontcmdexception
+\@jsc@warnoldfontcmdexceptionfalse
+\newcommand*{\jsc@DeclareOldFontCommand}[3]{%
+ \DeclareOldFontCommand{#1}{%
+ \jsc@warnoldfontcmd{#1}#2%
+ }{%
+ \jsc@warnoldfontcmd{#1}#3%
+ }%
+}
+\DeclareRobustCommand*{\jsc@warnoldfontcmd}[1]{%
+ \if@jsc@warnoldfontcmdexception\else\if@jsc@warnoldfontcmd
+ \ClassWarning{\jsc@clsname}{%
+ deprecated old font command `\string#1' used.\MessageBreak
+ You should note, that since 1994 LaTeX2e provides a\MessageBreak
+ new font selection scheme called NFSS2 with several\MessageBreak
+ new, combinable font commands. This \jsc@clsname\MessageBreak
+class has defined the old font commands like\MessageBreak
+`\string#1' only for compatibility%
+ }%
+ \global\@jsc@warnoldfontcmdfalse
+ \fi\fi
+}
+\jsc@DeclareOldFontCommand{\mc}{\normalfont\mcfamily}{\mathmc}
+\jsc@DeclareOldFontCommand{\gt}{\normalfont\gtfamily}{\mathgt}
+\jsc@DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm}
+\jsc@DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
+\jsc@DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}
+\jsc@DeclareOldFontCommand{\bf}{\normalfont\bfseries}{\mathbf}
+\jsc@DeclareOldFontCommand{\it}{\normalfont\itshape}{\mathit}
+\jsc@DeclareOldFontCommand{\sl}{\normalfont\slshape}{\@nomath\sl}
+\jsc@DeclareOldFontCommand{\sc}{\normalfont\scshape}{\@nomath\sc}