Issue Summary

If the Clear Formatting option is used on selected on text that was incorrectly formatted, text with similar text formatting is cleared

This is reproducible on Data Center: yes

Steps to Reproduce

1. On a new page, type text
2. Change Text Formatting (as an example choose "Monospace") and continue typing on the same line
3. Select some of the Monospaced text and Select "Clear Formatting" from the Editor Toolbar

Expected Results

Selected text's formatting is reset to default

Actual Results

Workaround

Select Formatting to be removed from Editor Toolbar rather than selecting 'Clear Formatting'