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<h4 class="subsection">4.9.22 PushPrefs</h4>
<p><a name="index-PushPrefs-161"></a>
Syntax: <code>PushPrefs [</code><var>n</var><code>]</code><br>
Abbreviation: <code>PUSHP</code>
<p class="noindent">pushes <var>n</var> copies of the user preferences onto a stack. If
not specified, <var>n</var> defaults to one. Use the <code>PopPrefs</code> command
to pop preferences off the stack and restore the values. See <a href="PopPrefs.html#PopPrefs">PopPrefs</a>. Note that the
preferences stack is global, not buffer-specific, so you could
<code>PushPrefs</code> one buffer's preferences, switch buffers, then
<code>PopPrefs</code> those preferences, thereby altering the preferences for
the second buffer. The maximum preferences stack depth is 32.
<p><code>PushPrefs</code> and <code>PopPrefs</code> are useful in macros that require
certain preferences to work properly. A macro can <code>PushPrefs</code>,
change any preferences necessary, do its work, then <code>PopPrefs</code> to
restore the users previous preferences settings.
<p class="noindent"><code>PushPrefs</code> saves the following values on the preferences stack:
<pre class="example"> AutoIndent DelTabs NoFileReq StatusBar VisualBell
AutoPrefs DoUndo PreserveCR ShiftTabs WordWrap
Binary FreeForm ReadOnly Tabs
CaseSearch HexCode RightMargin TabSize
ClipNumber Insert SearchBack UTF8Auto
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