Highlight only the full word, not the occurrences as a part.

diff --git a/lookup-dict.el b/lookup-dict.el
index 134a495..97ec375 100644 (file)
--- a/lookup-dict.el
+++ b/lookup-dict.el
@@ -98,10 +98,14 @@ argument \\[universal-argument] forces the third."
           (save-excursion
             (goto-char (point-min))
             (while (re-search-forward "^From.*$" nil t)
-              (add-text-properties (match-beginning 0) (match-end 0) '(face underline)))
+              (add-text-properties (match-beginning 0)
+                                   (match-end 0)
+                                   '(face underline)))
             (goto-char (point-min))
-            (while (re-search-forward word nil t)
-              (add-text-properties (match-beginning 0) (match-end 0) '(face bold))))
+            (while (re-search-forward (concat "[^a-zA-Z]\\\(" word "\\\)[^a-zA-Z]") nil t)
+              (add-text-properties (match-beginning 1)
+                                   (match-end 1)
+                                   '(face bold))))
           )
 
         (setq buffer-read-only t)