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-rw-r--r--generic/tkTextBTree.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/generic/tkTextBTree.c b/generic/tkTextBTree.c
index a06d7e9..eaab652 100644
--- a/generic/tkTextBTree.c
+++ b/generic/tkTextBTree.c
@@ -1879,8 +1879,7 @@ TkBTreePreviousLine(
* number of pixels in the widget.
*
* Results:
- * The result is the index of linePtr within the tree, where 0
- * corresponds to the first line in the tree.
+ * The result is the pixel height of the top of the given line.
*
* Side effects:
* None.