2016-10-13 18:39:10 +02:00
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title: Template debugging
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summary: Track down which template rendered a piece of html
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# Debugging templates
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## Source code comments
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If there is a problem with the rendered html your page is outputting you may need
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to track down a template or two. The template engine can help you along by displaying
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source code comments indicating which template is responsible for rendering each
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block of html on your page.
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2017-08-03 02:51:32 +02:00
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```yaml
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2017-08-07 05:11:17 +02:00
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---
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Only:
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environment: 'dev'
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---
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2017-10-26 02:22:02 +02:00
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SilverStripe\View\SSViewer:
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2017-08-07 05:11:17 +02:00
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source_file_comments: true
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2017-08-03 02:51:32 +02:00
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```
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