CHANGELOG.txt in Clean Markup 7.2

Clean Markup 7.x-2.x, xxxx-xx-xx
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Clean Markup 7.x-2.9, 2015-08-11
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#2210693 by cllamas, David Hernández: Add context to some of the translatable
  strings

Clean Markup 7.x-2.7, 2014-07-21
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#2305717 by dcmouyard: Fixed Regression: Allow block title and content
  attributes to be overridden.

Clean Markup 7.x-2.6, 2014-05-30
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#2269651 by joelpittet: panels-onecol-clean.tpl.php starts it's tag as a section
  and ends with a div.

Clean Markup 7.x-2.4, 2014-02-15
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#2104239 by mparker17, attisan | kruser: No such file errors, and blocks don't
  display when used with Mothership theme.
Refactored $variables to $vars in clean_markup_blocks_preprocess_block for
  consistency with clean_markup_blocks and to make the function easier to read.

Clean Markup 7.x-2.3, 2013-12-18
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#2078273 by dcmouyard: Allow pane content wrapper attributes to be overridden.
Fixed #2150671: Disabling "Output block's HTML ID as class" has no effect,
  doesn't save
Fixed #2150649: If you enter a value for 'Additional attributes', you have to
  start with a space to avoid invalid HTML
#2150683: Make a11y benefits from 'Hide block title' checkbox visible from the
  UI.

Clean Markup 7.x-2.2, 2013-10-26
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#2081655 by dcmouyard: Added permission to edit Clean Markup settings.
#2082065 by dcmouyard, mparker17: Fixed Follow Drupal's coding and
  documentation standards.
#2104235 by dcmouyard: Fixed Output correct closing tag on blocks.

Clean Markup 7.x-2.0, 2013-08-15
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* Added support for:
    * Panel panes

      By changing the pane style to "Clean markup" (click the gear in the top-
      right of a pane and click "Change" under "Style"), you can:

        * Disable or set the HTML5 element to use as the pane wrapper,
        * Enable or disable an inner div,
        * Add classes to the outer pane wrapper,
        * Add custom attributes (i.e. role="navigation")
        * Set the HTML5 element to wrap the title,
        * Toggle whether the block title is displayed visually,
        * Disable or set the HTML5 element to wrap the content.

    * Panel regions

        By changing the region style to "Clean markup" (click the gear in the
        top-left of a region and click "Change" under "Style"; or click "Display
        settings" on the panel itself), you can:

        * Disable or set the HTML5 element to use as the region wrapper,
        * Enable or disable an inner div,
        * Add classes to the outer region element,
        * Add custom attributes (i.e. role="navigation").
        * Enable or disable separator divs between panes in the region.

    * Panel Layouts

        Layouts have been provided to take advantage of Clean Markup's ability
        to output the minimal amount of markup.

        * One Column Clean: one region and single 
 wrapper.
        * One Column Reset: one region with no wrapper.
        * Six pack: six regions.
        * Myriad: five rows with four regions each that will output the absolute
          minimum markup. For example, a row with only one region will not
          output the row wrapper.