DDMsgReader: Fix in reader mode for refreshing the message area after closing another window

Fix in reader mode for refreshing the message area after closing another window (necessary with recent changes to substrWithAttrCodes())

xtrn/DDMsgReader/DDMsgReader.js

@@ -44,6 +44,10 @@
  * 2023-10-25 Eric Oulashin     Version 1.83
  *                              Personal emails to the sysop received as "sysop" (or starting with "sysop")
  *                              are now correctly identified and marked as read when read
+ * 2023-10-26 Eric Oulashin     Version 1.84
+ *                              Fix in reader mode for refreshing the message area after
+ *                              closing another window (necessary with recent changes to
+ *                              substrWithAttrCodes())
  */
 "use strict";
@@ -148,8 +152,8 @@ var ansiterm = require("ansiterm_lib.js", 'expand_ctrl_a');
 // Reader version information
-var READER_VERSION = "1.83";
-var READER_DATE = "2023-10-25";
+var READER_VERSION = "1.84";
+var READER_DATE = "2023-10-26";
 // Keyboard key codes for displaying on the screen
 var UP_ARROW = ascii(24);
@@ -16401,15 +16405,20 @@ function DigDistMsgReader_RefreshMsgAreaRectangle(pTxtLines, pTopLineIdx, pTopLe
 		// text line.  Otherwise, output an empty string.
 		if (txtLineIdx < pTxtLines.length)
 		{
-			// Get the text attributes up to the current point and output them
-			//console.print(getAllEditLineAttrsUntilLineIdx(pTxtLines, txtLineIdx, true, txtLineStartIdx));
-			// Get the section of line (and make sure it can fill the needed width), and print it
-			// Note: substrWithAttrCodes() is defined in dd_lightbar_menu.js
-			var lineText = substrWithAttrCodes(pTxtLines[txtLineIdx].replace(/[\r\n]+/g, ""), txtLineStartIdx, pWidth);
-			var printableTxtLen = console.strlen(lineText);
-			if (printableTxtLen < pWidth)
-				lineText += format("\x01n%*s", pWidth - printableTxtLen, "");
-			console.print(lineText);
+			if (txtLineStartIdx < console.strlen(pTxtLines[txtLineIdx]))
+			{
+				// Get the text attributes up to the current point and output them
+				//console.print(getAllEditLineAttrsUntilLineIdx(pTxtLines, txtLineIdx, true, txtLineStartIdx));
+				// Get the section of line (and make sure it can fill the needed width), and print it
+				// Note: substrWithAttrCodes() is defined in dd_lightbar_menu.js
+				var lineText = substrWithAttrCodes(pTxtLines[txtLineIdx].replace(/[\r\n]+/g, ""), txtLineStartIdx, pWidth);
+				var printableTxtLen = console.strlen(lineText);
+				if (printableTxtLen < pWidth)
+					lineText += format("\x01n%*s", pWidth - printableTxtLen, "");
+				console.print(lineText);
+			}
+			else // The start index is beyond the length of the string, so print an empty string
+				printf(emptyFormatStr, "");
 		}
 		else // We've printed all the remaining text lines, so now print an empty string.
 			printf(emptyFormatStr, "");