Updated SC1042 (markdown)

SC1042.md

@@ -1,4 +1,22 @@
-    Found 'eof' further down, but not on a separate line.
+# Close matches include '-eof' (!= 'eof').
-    Close matches include '-eof' (!= 'eof').
 
-See companion error [[SC1041]].
+## Problematic code:
+
+```bash
+#!/bin/bash
+cat <<-eof
+Hello World
+-eof
+```
+
+## Correct code:
+
+```bash
+#!/bin/bash
+cat <<-eof
+Hello World
+eof
+```
+
+## Rationale:
+See companion error [[SC1041]]. This error occurs at the same time it.