worksheet: add support for IMAGE() future function

Issue #293

lib/Excel/Writer/XLSX.pm

@@ -6624,6 +6624,7 @@ The following list is taken from the MS XLSX extensions documentation on future
     _xlfn.ACOTH
     _xlfn.AGGREGATE
     _xlfn.ARABIC
+    _xlfn.ARRAYTOTEXT
     _xlfn.BASE
     _xlfn.BETA.DIST
     _xlfn.BETA.INV
@@ -6643,6 +6644,7 @@ The following list is taken from the MS XLSX extensions documentation on future
     _xlfn.CHISQ.INV.RT
     _xlfn.CHISQ.TEST
     _xlfn.COMBINA
+    _xlfn.CONCAT
     _xlfn.CONFIDENCE.NORM
     _xlfn.CONFIDENCE.T
     _xlfn.COT
@@ -6678,6 +6680,8 @@ The following list is taken from the MS XLSX extensions documentation on future
     _xlfn.GAUSS
     _xlfn.HYPGEOM.DIST
     _xlfn.IFNA
+    _xlfn.IFS
+    _xlfn.IMAGE
     _xlfn.IMCOSH
     _xlfn.IMCOT
     _xlfn.IMCSC
@@ -6688,9 +6692,13 @@ The following list is taken from the MS XLSX extensions documentation on future
     _xlfn.IMTAN
     _xlfn.ISFORMULA
     ISO.CEILING
+    _xlfn.ISOMITTED
     _xlfn.ISOWEEKNUM
+    _xlfn.LET
     _xlfn.LOGNORM.DIST
     _xlfn.LOGNORM.INV
+    _xlfn.MAXIFS
+    _xlfn.MINIFS
     _xlfn.MODE.MULT
     _xlfn.MODE.SNGL
     _xlfn.MUNIT
@@ -6728,13 +6736,18 @@ The following list is taken from the MS XLSX extensions documentation on future
     _xlfn.T.INV
     _xlfn.T.INV.2T
     _xlfn.T.TEST
+    _xlfn.TEXTAFTER
+    _xlfn.TEXTBEFORE
+    _xlfn.TEXTJOIN
     _xlfn.UNICHAR
     _xlfn.UNICODE
+    _xlfn.VALUETOTEXT
     _xlfn.VAR.P
     _xlfn.VAR.S
     _xlfn.WEBSERVICE
     _xlfn.WEIBULL.DIST
     WORKDAY.INTL
+    _xlfn.XMATCH
     _xlfn.XOR
     _xlfn.Z.TEST
 

lib/Excel/Writer/XLSX/Worksheet.pm

@@ -2940,6 +2940,7 @@ sub _prepare_formula {
     $formula =~ s/\b(HYPGEOM.DIST\()/_xlfn.$1/g;
     $formula =~ s/\b(IFNA\()/_xlfn.$1/g;
     $formula =~ s/\b(IFS\()/_xlfn.$1/g;
+    $formula =~ s/\b(IMAGE\()/_xlfn.$1/g;
     $formula =~ s/\b(IMCOSH\()/_xlfn.$1/g;
     $formula =~ s/\b(IMCOT\()/_xlfn.$1/g;
     $formula =~ s/\b(IMCSCH\()/_xlfn.$1/g;