table: fix documentation for merges (#296)

table/README.md

@@ -206,7 +206,7 @@ it specifically for each row/column using `RowConfig` or `ColumnConfig`.
 
     t := table.NewWriter()
     t.AppendHeader(table.Row{"Node IP", "Pods", "Namespace", "Container", "RCE", "RCE"}, rowConfigAutoMerge)
-    t.AppendHeader(table.Row{"", "", "", "", "EXE", "RUN"})
+    t.AppendHeader(table.Row{"Node IP", "Pods", "Namespace", "Container", "EXE", "RUN"})
     t.AppendRow(table.Row{"1.1.1.1", "Pod 1A", "NS 1A", "C 1", "Y", "Y"}, rowConfigAutoMerge)
     t.AppendRow(table.Row{"1.1.1.1", "Pod 1A", "NS 1A", "C 2", "Y", "N"}, rowConfigAutoMerge)
     t.AppendRow(table.Row{"1.1.1.1", "Pod 1A", "NS 1B", "C 3", "N", "N"}, rowConfigAutoMerge)
@@ -224,7 +224,6 @@ it specifically for each row/column using `RowConfig` or `ColumnConfig`.
         {Number: 5, Align: text.AlignCenter, AlignFooter: text.AlignCenter, AlignHeader: text.AlignCenter},
         {Number: 6, Align: text.AlignCenter, AlignFooter: text.AlignCenter, AlignHeader: text.AlignCenter},
     })
-    t.SetOutputMirror(os.Stdout)
     t.SetStyle(table.StyleLight)
     t.Style().Options.SeparateRows = true
     fmt.Println(t.Render())

table/table.go

@@ -1,7 +1,6 @@
 package table
 
 import (
-	"bufio"
 	"fmt"
 	"io"
 	"strings"
@@ -690,13 +689,8 @@ func (t *Table) render(out *strings.Builder) string {
 	outStr := out.String()
 	if t.supressTrailingSpaces {
 		var trimmed []string
-		sc := bufio.NewScanner(strings.NewReader(outStr))
-		for sc.Scan() {
-			trimmed = append(trimmed, strings.TrimRightFunc(
-				sc.Text(), func(r rune) bool {
-					return unicode.IsSpace(r)
-				},
-			))
+		for _, line := range strings.Split(outStr, "\n") {
+			trimmed = append(trimmed, strings.TrimRightFunc(line, unicode.IsSpace))
 		}
 		outStr = strings.Join(trimmed, "\n")
 	}