diff --git a/about/changes/changes-17.en.ptm b/about/changes/changes-17.en.ptm new file mode 100644 index 0000000..569e10c --- /dev/null +++ b/about/changes/changes-17.en.ptm @@ -0,0 +1,14 @@ + + + From now on, inside mathematical formulas, all brackets have to match and + all big operators should admit well-specified scopes. To this effect, the + way parenthesized expressions are edited has changed, although the old + non-matching editing style can be restored using + . + + Documents for previous versions of will be upgraded automatically + in order to make all brackets match and determine the scopes of big + operators. Although this task is accomplished using heuristics, the result + should be correct most of the time. In any case, from the typesetting point + of view, the upgraded documents will always look the same. +