A little improvement for repeated character handling.

internal/punctuation/text_processing.go

@@ -49,9 +49,9 @@ func (p *Processor) process_token(token, level string, options TextOptions) stri
 	if options.RepeatedSymbols && options.RepeatedSymbolsMin >= 2 && token != "" {
 		repeated := token
 		prefix, suffix := "", ""
-		// Progress bars commonly enclose a repeated run in brackets. Keep
-		// those delimiters under ordinary punctuation handling. Inside them,
-		// summarize each run, including partially filled bars such as [####----].
+		// Progress bars commonly enclose repeated runs in brackets. Keep
+		// those delimiters under ordinary punctuation handling. Symbol-only
+		// tokens, including diffstats such as +++++-----, summarize each run.
 		if len(token) >= 2 {
 			for _, pair := range []string{"[]", "()", "{}", "<>"} {
 				if token[0] == pair[0] && token[len(token)-1] == pair[1] {
@@ -63,7 +63,7 @@ func (p *Processor) process_token(token, level string, options TextOptions) stri
 		}
 		chars := []rune(repeated)
 		for _, char := range chars {
-			if !(unicode.IsPunct(char) || unicode.IsSymbol(char)) || prefix == "" && char != chars[0] {
+			if !(unicode.IsPunct(char) || unicode.IsSymbol(char)) {
 				return p.Text(token, level)
 			}
 		}