### Eclipse Workspace Patch 1.0
#P org.eclipse.text
Index: src/org/eclipse/jface/text/FindReplaceDocumentAdapter.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.text/src/org/eclipse/jface/text/FindReplaceDocumentAdapter.java,v
retrieving revision 1.23
diff -u -r1.23 FindReplaceDocumentAdapter.java
--- src/org/eclipse/jface/text/FindReplaceDocumentAdapter.java	23 Jul 2007 14:37:04 -0000	1.23
+++ src/org/eclipse/jface/text/FindReplaceDocumentAdapter.java	26 Jul 2007 08:56:20 -0000
@@ -120,7 +120,7 @@
 	 * @throws IllegalStateException if a REPLACE or REPLACE_FIND operation is not preceded by a successful FIND operation
 	 * @throws PatternSyntaxException if a regular expression has invalid syntax
 	 */
-	private IRegion findReplace(final FindReplaceOperationCode operationCode, int startOffset, String findString, String replaceText, boolean forwardSearch, boolean caseSensitive, boolean wholeWord, boolean regExSearch) throws BadLocationException {
+	private IRegion findReplace(FindReplaceOperationCode operationCode, int startOffset, String findString, String replaceText, boolean forwardSearch, boolean caseSensitive, boolean wholeWord, boolean regExSearch) throws BadLocationException {
 
 		// Validate option combinations
 		Assert.isTrue(!(regExSearch && wholeWord));
@@ -155,6 +155,9 @@
 			if (!regExSearch && !wholeWord)
 				findString= asRegPattern(findString);
 
+			if (fFindReplaceMatchOffset == startOffset)
+				operationCode= FIND_NEXT; // https://bugs.eclipse.org/bugs/show_bug.cgi?id=80661
+			
 			fFindReplaceMatchOffset= startOffset;
 			if (fFindReplaceMatcher != null && fFindReplaceMatcher.pattern().pattern().equals(findString) && fFindReplaceMatcher.pattern().flags() == patternFlags) {
 				/*
@@ -203,8 +206,11 @@
 				if (operationCode == REPLACE_FIND_NEXT)
 					fFindReplaceState= FIND_NEXT;
 
-				if (found && fFindReplaceMatcher.group().length() > 0)
-					return new Region(fFindReplaceMatcher.start(), fFindReplaceMatcher.group().length());
+				if (found) {
+					fFindReplaceMatchOffset= fFindReplaceMatcher.start();
+					int end= fFindReplaceMatcher.end();
+					return new Region(fFindReplaceMatchOffset, end - fFindReplaceMatchOffset);
+				}
 				return null;
 			}
 
@@ -212,7 +218,7 @@
 			boolean found= fFindReplaceMatcher.find(0);
 			int index= -1;
 			int length= -1;
-			while (found && fFindReplaceMatcher.start() + fFindReplaceMatcher.group().length() <= fFindReplaceMatchOffset + 1) {
+			while (found && fFindReplaceMatcher.start() + fFindReplaceMatcher.group().length() <= fFindReplaceMatchOffset) {
 				index= fFindReplaceMatcher.start();
 				length= fFindReplaceMatcher.group().length();
 				found= fFindReplaceMatcher.find(index + 1);
#P org.eclipse.jface.text
Index: src/org/eclipse/jface/text/TextViewer.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jface.text/src/org/eclipse/jface/text/TextViewer.java,v
retrieving revision 1.180
diff -u -r1.180 TextViewer.java
--- src/org/eclipse/jface/text/TextViewer.java	20 Jun 2007 14:30:54 -0000	1.180
+++ src/org/eclipse/jface/text/TextViewer.java	26 Jul 2007 08:56:31 -0000
@@ -4222,9 +4222,14 @@
 				int length= matchRegion.getLength();
 
 				// Prevents setting of widget selection with line delimiters at beginning or end
-				char startChar= adapter.charAt(widgetPos);
-				char endChar= adapter.charAt(widgetPos+length-1);
-				boolean borderHasLineDelimiter= startChar == '\n' || startChar == '\r' || endChar == '\n' || endChar == '\r';
+				boolean borderHasLineDelimiter= false;
+				try {
+					char startChar= adapter.charAt(widgetPos);
+					char endChar= adapter.charAt(widgetPos+length-1);
+					borderHasLineDelimiter= startChar == '\n' || startChar == '\r' || endChar == '\n' || endChar == '\r';
+				} catch (IndexOutOfBoundsException e) {
+					// Not a problem at beginning or end of document
+				}
 				boolean redraws= redraws();
 				if (borderHasLineDelimiter && redraws)
 					setRedraw(false);