[except.terminate] add comma after introductory phrase (#6446)

Eisenwave · web-flow · commit a4b1ffd9e651 · 2023-08-14T23:18:00.000Z
diff --git a/source/exceptions.tex b/source/exceptions.tex
@@ -1015,7 +1015,7 @@
 \pnum
 \indextext{\idxcode{terminate}}%
 % FIXME: What does it mean to abandon exception handling?
-In some situations exception handling is abandoned
+In some situations, exception handling is abandoned
 for less subtle error handling techniques.
 \begin{note}
 These situations are:
