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| <h1 class="content-header header-section1" id="ref_directive_t" itemprop="headline">t, lt, rt</h1> |
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| <ul><li><a class="page-menu-link" href="#autoid_126" data-menu-target="autoid_126">Synopsis</a></li><li><a class="page-menu-link" href="#autoid_127" data-menu-target="autoid_127">Description</a></li></ul> </div><a name="ref.directive.t"></a><a name="ref.directive.lt"></a><a name="ref.directive.rt"></a> |
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| <h2 class="content-header header-section2" id="autoid_126">Synopsis</h2> |
| |
| |
| |
| <pre class="metaTemplate"> |
| <code class="inline-code"><#t></code> |
| |
| <code class="inline-code"><#lt></code> |
| |
| <code class="inline-code"><#rt></code></pre> |
| |
| |
| |
| |
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| <h2 class="content-header header-section2" id="autoid_127">Description</h2> |
| |
| |
| <p>These directives, instruct FreeMarker to ignore certain |
| white-space in the line of the tag:</p> |
| |
| <ul> |
| <li> |
| <p><code class="inline-code">t</code> (for trim): Ignore all leading and |
| trailing white-space in this line.</p> |
| </li> |
| |
| <li> |
| <p><code class="inline-code">lt</code> (for left trim): Ignore all leading |
| white-space in this line.</p> |
| </li> |
| |
| <li> |
| <p><code class="inline-code">rt</code> (for right trim): Ignore all |
| trailing white-space in this line.</p> |
| </li> |
| </ul> |
| |
| <p>where:</p> |
| |
| <ul> |
| <li> |
| <p>"leading white-space" means all space and tab |
| (and other character that are white-space according to <a href="gloss.html#gloss.unicode">UNICODE</a>, except <a href="gloss.html#gloss.lineBreak">line breaks</a>) before the first |
| non-white-space character of the line.</p> |
| </li> |
| |
| <li> |
| <p>"trailing white-space" means all space and |
| tab (and other character that are white-space according to <a href="gloss.html#gloss.unicode">UNICODE</a>, except line breaks) |
| after the last non-white-space character of the line, |
| <em>and</em> the line break at the end of the |
| line.</p> |
| </li> |
| </ul> |
| |
| <p>It is important to understand that these directives examine |
| the template itself, and <em>not</em> the output what |
| the template generates when you merge it with the data-model. |
| <span class="marked-for-programmers">(That is, the white-space removal |
| happens on parse time.)</span></p> |
| |
| <p>For example this:</p> |
| |
| |
| |
| <div class="code-block role-template"> |
| <div class="code-block-label">Template</div><pre class="code-block-body">-- |
| 1 <#t> |
| 2<#t> |
| 3<#lt> |
| 4 |
| 5<#rt> |
| 6 |
| --</pre> </div> |
| |
| |
| <p>will output this:</p> |
| |
| |
| |
| <div class="code-block role-output"> |
| <div class="code-block-label">Output</div><pre class="code-block-body">-- |
| 1 23 |
| 4 |
| 5 6 |
| --</pre> </div> |
| |
| |
| <p>The placement of these directives inside the line has no |
| importance. That is, the effect will be the same regardless if you |
| put the directive at the beginning of the line, or at the end of the |
| line, or in the middle of the line.</p> |
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