Changes

| Enabled when running [[MkIV]]

|}

Perhaps the most useful system modes are <code>*mkii</code> and <code>*mkiv</code> which

You may want to use different images for XML [Export]. The <code>*export</code> mode is useful in such cases.

{|cellpadding="5" style="border-collapse: collapse;border-width: 1px; border-style: solid;"

| Enabled inside the corresponding section head.

|}

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.

|'''*grid'''

| Enabled when grid typesetting is enabled

|}

{|cellpadding="5" style="border-collapse: collapse;border-width: 1px; border-style: solid;"

\externalfigure[fig-1]

</texcode>

[[Category:Tools]]