You need to use your brain throughout this process. For example,
if the bug is layout flow relatedinvolves line wrapping, then the width of your the window and the font size may impact the results. In this case, you can ensure that your reduced testcase will work for everyone by using "font-family: monospace;" and a width specified in "ch" units. For more detailed instructions, see [http://developer.mozilla.org/en/docs/Reducing_testcases "Reducing Testcases" on DevMo].
== How to Help with Regressions -- Finding Regression Windows ==