SystemHighlighter: fix Repl demo shell command highlight

mattirn · mattirn · commit 95784185877a · 2021-04-02T16:13:33.000+02:00
diff --git a/console/src/main/java/org/jline/console/impl/SystemHighlighter.java b/console/src/main/java/org/jline/console/impl/SystemHighlighter.java
@@ -25,7 +25,6 @@
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.*;
-import java.util.regex.Pattern;
 
 /**
  * Highlight command and language syntax using nanorc highlighter.
@@ -71,7 +70,8 @@ protected AttributedString systemHighlight(LineReader reader, String buffer) {
             out = new AttributedStringBuilder().append(buffer).toAttributedString();
         } else if (fileHighlight.contains(command)) {
             out = doFileHighlight(reader, buffer);
-        } else if (systemRegistry.isCommandOrScript(command) || systemRegistry.isCommandAlias(command)) {
+        } else if (systemRegistry.isCommandOrScript(command) || systemRegistry.isCommandAlias(command)
+                || command.startsWith("!")) {
             out = doCommandHighlight(buffer);
         } else if (langHighlighter != null) {
             out = langHighlighter.highlight(buffer);
