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  1. Moodle
  2. MDL-61879

PHP CSS parser fails to pass calc() values

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    Details

    • Affected Branches:
      MOODLE_35_STABLE
    • Fixed Branches:
      MOODLE_38_STABLE
    • Sprint:
      Moppies Moodle 3.8 Sprint 5

      Description

      Bootstrap 4 stables uses nested calc() values in CSS.

      For example:

      calc((0.5rem + 1px) * -1);

      The php-css-parser has issues processing these values for a number of reasons. 

      Addition inside calc is not support

      Nested values are not supported

      As a result the php-css-parser strips out these calc values and bootstrap 4 components like popovers do not have correctly styled arrows

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          Issue Links

          duplicates

          Bug - A problem which impairs or prevents Moodle from functioning correctly. MDL-62434 popup arrow misplacement in Boost

          • Minor - Minor loss of function where workaround is possible
          • Closed
          is duplicated by

          Bug - A problem which impairs or prevents Moodle from functioning correctly. MDL-57336 CSS calc divided by does not survive minification

          • Minor - Minor loss of function where workaround is possible
          • Closed
          will be (partly) resolved by

          Task - A task that needs to be completed. Tasks usually refer to work that must be done outside the product. MDL-65759 Upgrade to latest Sabberworm/PHP-CSS-Parser

          • Minor - Minor loss of function where workaround is possible
          • Closed

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                Dates

                • Created:
                  Updated:
                  Resolved:
                  Fix Release Date:
                  18/Nov/19