- Make function `TitleToNumber()` exportable, note that function `ToAlphaString()` return value calculation changes, get more info from go doc. Relate issue #63;

- Readme and go doc updated

1 files changed, 1 insertions, 1 deletions

diff --git a/comment.go b/comment.go
index 4010942..3f57c84 100644
--- a/comment.go
+++ b/comment.go
@@ -56,7 +56,7 @@ func (f *File) addDrawingVML(commentID int, drawingVML, cell string) {
 	col := string(strings.Map(letterOnlyMapF, cell))
 	row, _ := strconv.Atoi(strings.Map(intOnlyMapF, cell))
 	xAxis := row - 1
-	yAxis := titleToNumber(col)
+	yAxis := TitleToNumber(col)
 	vml := vmlDrawing{
 		XMLNSv:  "urn:schemas-microsoft-com:vml",
 		XMLNSo:  "urn:schemas-microsoft-com:office:office",