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+2021-08-30  Paul Eggert  <eggert@cs.ucla.edu>
+
+	idx: add commentary
+	* lib/idx.h: Add comments about ssize_t and strlen, in
+	response to comments from Simon Josefsson in:
+	https://lists.gnu.org/r/bug-gnulib/2021-08/msg00196.html
+
 2021-08-29  Paul Eggert  <eggert@cs.ucla.edu>
 
 	attribute: keep up with gnulib-common.m4