More work on repeated string summarization.

config/settings/settings.toml

@@ -76,7 +76,7 @@ punctuation_level = "some"
 # Whole whitespace-delimited emoticons, matching Python's names/boundaries.
 emoticons = true
 # Optional summaries for repeated-symbol tokens, e.g. ##### -> 5 number.
-# Matching brackets around a run are allowed, e.g. [#####].
+# Matching brackets may enclose multiple runs, e.g. [#####-----].
 # Only symbols named at the selected punctuation level are summarized.
 repeated_symbols = false
 # Minimum run length, 2–10000; default 4 means more than three repeats.