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46 lines
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<TITLE>CLHS: Section 2.3.1.1.2</TITLE>
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2.3.1.1.2 Examples of Potential Numbers</H2> <P>
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As examples, the <A REL=DEFINITION HREF="26_glo_t.htm#token"><I>tokens</I></A> in the next figure are <A REL=DEFINITION HREF="26_glo_p.htm#potential_number"><I>potential numbers</I></A>, but they are not actually numbers, and so are reserved <A REL=DEFINITION HREF="26_glo_t.htm#token"><I>tokens</I></A>; a <A REL=DEFINITION HREF="26_glo_c.htm#conforming_implementation"><I>conforming implementation</I></A> is permitted, but not required, to define their meaning. <P>
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<PRE>
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1b5000 777777q 1.7J -3/4+6.7J 12/25/83
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27^19 3^4/5 6//7 3.1.2.6 ^-43^
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3.141_592_653_589_793_238_4 -3.7+2.6i-6.17j+19.6k
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</PRE>
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<P><B>Figure 2-10. Examples of reserved tokens</B> <P>
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The <A REL=DEFINITION HREF="26_glo_t.htm#token"><I>tokens</I></A> in the next figure are not <A REL=DEFINITION HREF="26_glo_p.htm#potential_number"><I>potential numbers</I></A>; they are always treated as <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbols</I></A>: <P>
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<PRE>
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/ /5 + 1+ 1-
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foo+ ab.cd _ ^ ^/-
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</PRE>
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<P><B>Figure 2-11. Examples of symbols</B> <P>
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The <A REL=DEFINITION HREF="26_glo_t.htm#token"><I>tokens</I></A> in the next figure are <A REL=DEFINITION HREF="26_glo_p.htm#potential_number"><I>potential numbers</I></A> if the <A REL=DEFINITION HREF="26_glo_c.htm#current_input_base"><I>current input base</I></A> is <TT>16</TT>, but they are always treated as <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbols</I></A> if the <A REL=DEFINITION HREF="26_glo_c.htm#current_input_base"><I>current input base</I></A> is <TT>10</TT>. <P>
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<PRE>
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bad-face 25-dec-83 a/b fad_cafe f^
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</PRE>
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<P><B>Figure 2-12. Examples of symbols or potential numbers</B> <P>
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