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<h2 class="chapter">6 Editing</h2>
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<dl><dt><kbd>M-q</kbd><dd>Fill the paragraph to current value of <code>fill-column</code>.
The command does the right thing for indented code and PHP
comments including Docblock comments.
<a name="index-column_002c-fill-149"></a><a name="index-fill-column-150"></a><a name="index-fill_002dcolumn-151"></a><a name="index-set_002dfill_002dcolumn-152"></a><a name="index-fill_002dparagraph-153"></a><a name="index-C_002dx-f-154"></a><br><dt><kbd>C-u </kbd><var>n</var><kbd> C-x f</kbd><dd>Set the <code>fill-column</code> to <var>n</var> when using the
<kbd>M-q</kbd> command (<code>fill-paragraph</code>).
<a name="index-function_002c-mark-155"></a><a name="index-kill_002dregion-156"></a><a name="index-kill_002dring_002dsave-157"></a><a name="index-indent_002dregion-158"></a><a name="index-indent_002drigidly-159"></a><a name="index-c_002dmark_002dfunction-160"></a><a name="index-C_002dM_002dh-161"></a><a name="index-C_002dw-162"></a><a name="index-M_002dw-163"></a><a name="index-C_002dM_002d_005c-164"></a><br><dt><kbd>C-M-h</kbd><dd>Mark the current function (<code>c-mark-function</code>). Puts
the mark at the end and of the function and the point at the
beginning. Useful if you want to kill the region with
<kbd>C-w</kbd> or <kbd>M-w</kbd>, or indent the region with
<kbd>C-M-\</kbd> or <kbd>C-x TAB</kbd> (See <a href="Indentation.html#Indentation">Indentation</a>.).
<a name="index-defun_002c-mark-165"></a><a name="index-mark_002ddefun-166"></a><a name="index-M_002dx-mark_002ddefun-167"></a><br><dt><kbd>M-x mark-defun</kbd><dd>Like <kbd>C-M-h</kbd> (<code>c-mark-function</code>), except place the
mark at the end of the function even if it's not at the
top-level. With functions that are methods defined in a
class, they may be indented and not top-level functions,
however this command will only mark the current function.
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<p><a name="index-narrowing-168"></a><a name="index-widening-169"></a>The traditional commands for narrowing to a region in
Emacs<a rel="footnote" href="#fn-1" name="fnd-1"><sup>1</sup></a> are supported in PHP mode. The
following commands are notable to mention for working with
PHP or are extensions expressly provided PHP mode.
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<dl><dt><kbd>C-x n d</kbd><dd>Narrow the buffer to the contents of the current function
(<code>narrow-to-defun</code>). This will narrow to the function
as identified to the current function, even if it is nested
in an object or another function. The logic to narrow the
function is the same as the <code>beginning-of-defun</code> and
<code>end-of-defun</code> commands – see <a href="Motion.html#Motion">Motion</a>, and the
<code>mark-defun</code> command – see above.
<a name="index-widening-174"></a><a name="index-widen-175"></a><a name="index-C_002dx-n-w-176"></a><br><dt><kbd>C-x n w</kbd><dd>Undo any narrowing by widening the buffer again by making
the rest of the buffer available (<code>widen</code>).
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<div class="footnote">
<hr>
<h4>Footnotes</h4><p class="footnote"><small>[<a name="fn-1" href="#fnd-1">1</a>]</small> See <a href="http://emacswiki.org/cgi-bin/info-ref?find=Narrowing.html#Narrowing">Narrowing</a>.</p>
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