Fix shortcode directly following a shortcode delimiter

Fixes #5402

2 files changed, 6 insertions, 0 deletions

diff --git a/parser/pageparser/pagelexer.go b/parser/pageparser/pagelexer.go
index 565be2994..fcea560c4 100644
--- a/parser/pageparser/pagelexer.go
+++ b/parser/pageparser/pagelexer.go
@@ -247,6 +247,9 @@ func lexMainSection(l *pageLexer) stateFunc {
 				// This makes it a little easier to reason about later.
 				l.consumeSpace()
 				l.emit(TypeLeadSummaryDivider)
+
+				// We have already moved to the next.
+				continue
 			}
 		}
 
diff --git a/parser/pageparser/pageparser_intro_test.go b/parser/pageparser/pageparser_intro_test.go
index 60c431c10..f818848bd 100644
--- a/parser/pageparser/pageparser_intro_test.go
+++ b/parser/pageparser/pageparser_intro_test.go
@@ -68,11 +68,14 @@ var frontMatterTests = []lexerTest{
 	{"Summary divider ORG", tstORG + "\nSome text.\n# more\nSome text.\n", []Item{tstFrontMatterORG, tstSomeText, nti(TypeLeadSummaryDivider, "# more\n"), nti(tText, "Some text.\n"), tstEOF}},
 	{"Summary divider", "+++\nfoo = \"bar\"\n+++\n\nSome text.\n<!--more-->\nSome text.\n", []Item{tstFrontMatterTOML, tstSomeText, tstSummaryDivider, nti(tText, "Some text.\n"), tstEOF}},
 	{"Summary divider same line", "+++\nfoo = \"bar\"\n+++\n\nSome text.<!--more-->Some text.\n", []Item{tstFrontMatterTOML, nti(tText, "\nSome text."), nti(TypeLeadSummaryDivider, "<!--more-->"), nti(tText, "Some text.\n"), tstEOF}},
+	// https://github.com/gohugoio/hugo/issues/5402
+	{"Summary and shortcode, no space", "+++\nfoo = \"bar\"\n+++\n\nSome text.\n<!--more-->{{< sc1 >}}\nSome text.\n", []Item{tstFrontMatterTOML, tstSomeText, nti(TypeLeadSummaryDivider, "<!--more-->"), tstLeftNoMD, tstSC1, tstRightNoMD, tstSomeText, tstEOF}},
 }
 
 func TestFrontMatter(t *testing.T) {
 	t.Parallel()
 	for i, test := range frontMatterTests {
+
 		items := collect([]byte(test.input), false, lexIntroSection)
 		if !equal(items, test.items) {
 			got := crLfReplacer.Replace(fmt.Sprint(items))