This is because the iframe implementation in CKEditor currently supports defining the iframe dimensions in pixels only (see http://docs.cksource.com/CKEditor_3.x/U ... me#General). If you go to the "IFrame Properties" dialog window and try to insert a "%" character into the width or height fields, an appropriate error message will appear.
A possibility to define iframe dimensions in units other than pixels has already been requested as a new feature here: http://dev.ckeditor.com/ticket/7114. You can support this request by commenting the ticket and you will automatically get notifications about any changes in the status of this task.
Thank you Anna. My customer pastes in the code from a 3rd party on a monthly basis (an embedded monthly newsletter), so making her edit the code each time to change 100% to x pixels is problematic. Thanks for the update.
Re: bug: iframe width=100% gets changed to iframe=100
This is because the iframe implementation in CKEditor currently supports defining the iframe dimensions in pixels only (see http://docs.cksource.com/CKEditor_3.x/U ... me#General). If you go to the "IFrame Properties" dialog window and try to insert a "%" character into the width or height fields, an appropriate error message will appear.
A possibility to define iframe dimensions in units other than pixels has already been requested as a new feature here: http://dev.ckeditor.com/ticket/7114. You can support this request by commenting the ticket and you will automatically get notifications about any changes in the status of this task.
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Re: bug: iframe width=100% gets changed to iframe=100