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\doifnotmodeelse {mode1, mode2, ...} {Processed if any mode is disabled} {else this is processed}
closing tag much needed
<texcode>
\doifmodeelse {mode1, mode2, ...} {Processed if any mode is enabled} {else this is processed}
\doifallmodeselse {mode1, mode2, ...} {Processed if all modes are enabled} {else this is processed}
\doifnotallmodeselse {mode1, mode2, ...} {Processed if all modes are disabled} {else this is processed}
</texcode>
Note that there is no command <code>\doifnotmodeelse</code> because there is no need for it; <code>\doifmodeelse</code> may be used for the same effect (with the <code>if</code> and <code>else</code> branches switched).
== Checking multiple modes in parallel (<code>case</code> statement for modes) ==
</texcode>
The same mode can be referenced multiple times, and '''all''' matching brances branches are executed.
The {{cmd|startmodeset}} ... {{cmd|stopmodeset}} environments can be nested. So, you can use
Other modes are useful for very specific situations. Some of these are described
below.
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<code>*first</code> mode is handy—it is active only on the first run of the
document.
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| '''*export'''
| Enabled when <code>\setupbackend[export=yes]</code> is set
|}
You may want to use different images for XML [Export]. The <code>*export</code> mode is useful in such cases.
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encountered. Similarly, a mode <code>*text</code> is enabled when
<code>\starttext</code> is encountered, and likewise for the others.
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if you want macros that work differently in different section blocks, you can
check for modes <code>*frontpart</code>, <code>*bodypart</code>, and so on.
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Sometimes you want a macro to behave differently if it is part of a section head, a section number, a list, a marking, or a register. For section heads, you can check for modes <code>*chapter</code>, <code>*section</code>, <code>*subsection</code>, etc. Similarly, <code>*list</code> is enabled inside a list, <code>*marking</code> is enabled inside a marking, and <code>*register</code> is enabled inside a register.
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English and the current language is Dutch, the modes <code>**en-us</code> and
<code>*nl</code> are set (notice the extra <code>*</code> in <code>**en-us</code>).
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