Fix #333

extension/_test/table.txt

@@ -253,3 +253,30 @@ foo|bar
 </thead>
 </table>
 //= = = = = = = = = = = = = = = = = = = = = = = =//
+
+12: A delimiter can not start with more than 3 spaces
+//- - - - - - - - -//
+Foo
+    ---
+//- - - - - - - - -//
+<p>Foo
+---</p>
+//= = = = = = = = = = = = = = = = = = = = = = = =//
+
+13: A delimiter can not start with more than 3 spaces(w/ tabs)
+    OPTIONS: {"enableEscape": true}
+//- - - - - - - - -//
+- aaa
+
+  Foo
+\t\t---
+//- - - - - - - - -//
+<ul>
+<li>
+<p>aaa</p>
+<p>Foo
+---</p>
+</li>
+</ul>
+//= = = = = = = = = = = = = = = = = = = = = = = =//
+

extension/table.go

@@ -122,6 +122,9 @@ func WithTableCellAlignMethod(a TableCellAlignMethod) TableOption {
 }
 
 func isTableDelim(bs []byte) bool {
+	if w, _ := util.IndentWidth(bs, 0); w > 3 {
+		return false
+	}
 	for _, b := range bs {
 		if !(util.IsSpace(b) || b == '-' || b == '|' || b == ':') {
 			return false
@@ -243,6 +246,7 @@ func (b *tableParagraphTransformer) parseRow(segment text.Segment, alignments []
 }
 
 func (b *tableParagraphTransformer) parseDelimiter(segment text.Segment, reader text.Reader) []ast.Alignment {
+
 	line := segment.Value(reader.Source())
 	if !isTableDelim(line) {
 		return nil

parser/paragraph.go

@@ -3,6 +3,7 @@ package parser
 import (
 	"github.com/yuin/goldmark/ast"
 	"github.com/yuin/goldmark/text"
+	"github.com/yuin/goldmark/util"
 )
 
 type paragraphParser struct {
@@ -33,9 +34,8 @@ func (b *paragraphParser) Open(parent ast.Node, reader text.Reader, pc Context)
 }
 
 func (b *paragraphParser) Continue(node ast.Node, reader text.Reader, pc Context) State {
-	_, segment := reader.PeekLine()
-	segment = segment.TrimLeftSpace(reader.Source())
-	if segment.IsEmpty() {
+	line, segment := reader.PeekLine()
+	if util.IsBlank(line) {
 		return Close
 	}
 	node.Lines().Append(segment)
@@ -44,13 +44,14 @@ func (b *paragraphParser) Continue(node ast.Node, reader text.Reader, pc Context
 }
 
 func (b *paragraphParser) Close(node ast.Node, reader text.Reader, pc Context) {
-	parent := node.Parent()
-	if parent == nil {
-		// paragraph has been transformed
-		return
-	}
 	lines := node.Lines()
 	if lines.Len() != 0 {
+		// trim leading spaces
+		for i := 0; i < lines.Len(); i++ {
+			l := lines.At(i)
+			lines.Set(i, l.TrimLeftSpace(reader.Source()))
+		}
+
 		// trim trailing spaces
 		length := lines.Len()
 		lastLine := node.Lines().At(length - 1)

parser/parser.go

@@ -899,11 +899,13 @@ func (p *parser) closeBlocks(from, to int, reader text.Reader, pc Context) {
 	blocks := pc.OpenedBlocks()
 	for i := from; i >= to; i-- {
 		node := blocks[i].Node
-		blocks[i].Parser.Close(blocks[i].Node, reader, pc)
 		paragraph, ok := node.(*ast.Paragraph)
 		if ok && node.Parent() != nil {
 			p.transformParagraph(paragraph, reader, pc)
 		}
+		if node.Parent() != nil { // closes only if node has not been transformed
+			blocks[i].Parser.Close(blocks[i].Node, reader, pc)
+		}
 	}
 	if from == len(blocks)-1 {
 		blocks = blocks[0:to]