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<TITLE>Option: identifier-chars</TITLE>
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<A HREF="toc.html">Table of Contents</A><P>
<P>Previous: <A HREF="help.html">-help</A><HR><P>
<H2>Option: <font color=#FF0080>identifier-chars</font></H2><P>
<A NAME="identifier-chars"></A><DT><B><A HREF="identifier-chars.html">-identifier-chars</A>=</B><I>list</I>
<DD>
<DL COMPACT><DT><DD>
Define non-alphanumeric characters that may be used in identifiers.
By default, <B>ftnchek</B> only accepts the dollar sign and underscore
as non-alphanumeric characters in identifier names. The characters in
the <I>list</I> replace whatever set of accepted non-alphanumeric characters
was previously in effect. Thus, if dollar sign or underscore are not
included in the list, they lose their status as acceptable characters.
<P>
This option is provided to enable <B>ftnchek</B> to handle source files
containing non-standard identifer names that may be needed, for
example, to access certain operating system services. See the section
on <A HREF="lbAK.html">Limitations and Extensions</A> for the treatment of identifiers
containing these characters in implicit typing.
<P>
Using <B>-noidentifer-chars</B> turns off acceptance of
non-alphanumeric characters entirely.
<P>
See also: <B><A HREF="source.html">-source</A></B>.
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