Support get cell value which contains a date in the ISO 8601 format

- Support set and get font color with indexed color
- New export variable `IndexedColorMapping`
- Fix getting incorrect page margin settings when the margin is 0
- Update unit tests and comments typo fixes
- ref #65, new formula functions: AGGREGATE and SUBTOTAL

1 files changed, 1 insertions, 0 deletions

diff --git a/cell.go b/cell.go
index 550ca38..3fcbb7b 100644
--- a/cell.go
+++ b/cell.go
@@ -826,6 +826,7 @@ func getCellRichText(si *xlsxSI) (runs []RichTextRun) {
 				if v.RPr.Color.Theme != nil {
 					font.ColorTheme = v.RPr.Color.Theme
 				}
+				font.ColorIndexed = v.RPr.Color.Indexed
 				font.ColorTint = v.RPr.Color.Tint
 			}
 			run.Font = &font