Comment 14 for bug 1990673

The 100% font metric size is the core measurement for any textual content, not the value (115%) now assigned to Text Body.

Anywhere that uses Default paragraph (aka Standard) for multi-line spacing would be impacted by moving from 100% (as read from Font metric) to a proportional 115% scaling. And when lining up textual content (e.g. text boxes and frames) with paragraph styling gets disrupted.

We gain little by refactoring everything that inherits from default to pick up the value for Text Body.