diff --git a/t/regression/quote_name05.t b/t/regression/quote_name05.t
new file mode 100644
index 00000000..4bee641d
--- /dev/null
+++ b/t/regression/quote_name05.t
@@ -0,0 +1,91 @@
+###############################################################################
+#
+# Tests the output of Excel::Writer::XLSX against Excel generated files.
+#
+# Copyright 2000-2024, John McNamara, jmcnamara@cpan.org
+#
+# SPDX-License-Identifier: Artistic-1.0-Perl OR GPL-1.0-or-later
+#
+
+use lib 't/lib';
+use TestFunctions qw(_compare_xlsx_files _is_deep_diff);
+use strict;
+use warnings;
+
+use Test::More tests => 1;
+
+###############################################################################
+#
+# Tests setup.
+#
+my $filename     = 'quote_name05.xlsx';
+my $dir          = 't/regression/';
+my $got_filename = $dir . "ewx_$filename";
+my $exp_filename = $dir . 'xlsx_files/' . $filename;
+
+my $ignore_members  = [];
+
+my $ignore_elements = {};
+
+
+###############################################################################
+#
+# Test the creation of a simple Excel::Writer::XLSX file.
+#
+use Excel::Writer::XLSX;
+
+my $workbook  = Excel::Writer::XLSX->new( $got_filename );
+my $worksheet = $workbook->add_worksheet();
+my $chart     = $workbook->add_chart( type => 'column', embedded => 1 );
+
+# For testing, copy the randomly generated axis ids in the target xlsx file.
+$chart->{_axis_ids} = [ 54437760, 59195776 ];
+
+my $data = [
+    [ 1, 2, 3, 4,  5 ],
+    [ 2, 4, 6, 8,  10 ],
+    [ 3, 6, 9, 12, 15 ],
+
+];
+
+$worksheet->write( 'A1', $data );
+$worksheet->repeat_rows( 0, 1 );
+$worksheet->set_portrait();
+$worksheet->{_vertical_dpi} = 200;
+
+$chart->add_series( values => [ 'Sheet1', 0, 4, 0, 0 ] );
+$chart->add_series( values => [ 'Sheet1', 0, 4, 1, 1 ] );
+$chart->add_series( values => [ 'Sheet1', 0, 4, 2, 2 ] );
+
+$worksheet->insert_chart( 'E9', $chart );
+
+$workbook->close();
+
+
+###############################################################################
+#
+# Compare the generated and existing Excel files.
+#
+
+my ( $got, $expected, $caption ) = _compare_xlsx_files(
+
+    $got_filename,
+    $exp_filename,
+    $ignore_members,
+    $ignore_elements,
+);
+
+_is_deep_diff( $got, $expected, $caption );
+
+
+
+###############################################################################
+#
+# Cleanup.
+#
+unlink $got_filename;
+
+__END__
+
+
+
diff --git a/t/regression/quote_name06.t b/t/regression/quote_name06.t
new file mode 100644
index 00000000..821263a8
--- /dev/null
+++ b/t/regression/quote_name06.t
@@ -0,0 +1,91 @@
+###############################################################################
+#
+# Tests the output of Excel::Writer::XLSX against Excel generated files.
+#
+# Copyright 2000-2024, John McNamara, jmcnamara@cpan.org
+#
+# SPDX-License-Identifier: Artistic-1.0-Perl OR GPL-1.0-or-later
+#
+
+use lib 't/lib';
+use TestFunctions qw(_compare_xlsx_files _is_deep_diff);
+use strict;
+use warnings;
+
+use Test::More tests => 1;
+
+###############################################################################
+#
+# Tests setup.
+#
+my $filename     = 'quote_name06.xlsx';
+my $dir          = 't/regression/';
+my $got_filename = $dir . "ewx_$filename";
+my $exp_filename = $dir . 'xlsx_files/' . $filename;
+
+my $ignore_members  = [];
+
+my $ignore_elements = {};
+
+
+###############################################################################
+#
+# Test the creation of a simple Excel::Writer::XLSX file.
+#
+use Excel::Writer::XLSX;
+
+my $workbook  = Excel::Writer::XLSX->new( $got_filename );
+my $worksheet = $workbook->add_worksheet(q{Sheet-1});
+my $chart     = $workbook->add_chart( type => 'column', embedded => 1 );
+
+# For testing, copy the randomly generated axis ids in the target xlsx file.
+$chart->{_axis_ids} = [ 62284544, 83429248 ];
+
+my $data = [
+    [ 1, 2, 3, 4,  5 ],
+    [ 2, 4, 6, 8,  10 ],
+    [ 3, 6, 9, 12, 15 ],
+
+];
+
+$worksheet->write( 'A1', $data );
+$worksheet->repeat_rows( 0, 1 );
+$worksheet->set_portrait();
+$worksheet->{_vertical_dpi} = 200;
+
+$chart->add_series( values => [ q{Sheet-1}, 0, 4, 0, 0 ] );
+$chart->add_series( values => [ q{Sheet-1}, 0, 4, 1, 1 ] );
+$chart->add_series( values => [ q{Sheet-1}, 0, 4, 2, 2 ] );
+
+$worksheet->insert_chart( 'E9', $chart );
+
+$workbook->close();
+
+
+###############################################################################
+#
+# Compare the generated and existing Excel files.
+#
+
+my ( $got, $expected, $caption ) = _compare_xlsx_files(
+
+    $got_filename,
+    $exp_filename,
+    $ignore_members,
+    $ignore_elements,
+);
+
+_is_deep_diff( $got, $expected, $caption );
+
+
+
+###############################################################################
+#
+# Cleanup.
+#
+unlink $got_filename;
+
+__END__
+
+
+
diff --git a/t/regression/quote_name07.t b/t/regression/quote_name07.t
new file mode 100644
index 00000000..31bb02e2
--- /dev/null
+++ b/t/regression/quote_name07.t
@@ -0,0 +1,91 @@
+###############################################################################
+#
+# Tests the output of Excel::Writer::XLSX against Excel generated files.
+#
+# Copyright 2000-2024, John McNamara, jmcnamara@cpan.org
+#
+# SPDX-License-Identifier: Artistic-1.0-Perl OR GPL-1.0-or-later
+#
+
+use lib 't/lib';
+use TestFunctions qw(_compare_xlsx_files _is_deep_diff);
+use strict;
+use warnings;
+
+use Test::More tests => 1;
+
+###############################################################################
+#
+# Tests setup.
+#
+my $filename     = 'quote_name07.xlsx';
+my $dir          = 't/regression/';
+my $got_filename = $dir . "ewx_$filename";
+my $exp_filename = $dir . 'xlsx_files/' . $filename;
+
+my $ignore_members  = [];
+
+my $ignore_elements = {};
+
+
+###############################################################################
+#
+# Test the creation of a simple Excel::Writer::XLSX file.
+#
+use Excel::Writer::XLSX;
+
+my $workbook  = Excel::Writer::XLSX->new( $got_filename );
+my $worksheet = $workbook->add_worksheet(q{Sheet'1});
+my $chart     = $workbook->add_chart( type => 'column', embedded => 1 );
+
+# For testing, copy the randomly generated axis ids in the target xlsx file.
+$chart->{_axis_ids} = [ 48135552, 54701056 ];
+
+my $data = [
+    [ 1, 2, 3, 4,  5 ],
+    [ 2, 4, 6, 8,  10 ],
+    [ 3, 6, 9, 12, 15 ],
+
+];
+
+$worksheet->write( 'A1', $data );
+$worksheet->repeat_rows( 0, 1 );
+$worksheet->set_portrait();
+$worksheet->{_vertical_dpi} = 200;
+
+$chart->add_series( values => [ q{Sheet'1}, 0, 4, 0, 0 ] );
+$chart->add_series( values => [ q{Sheet'1}, 0, 4, 1, 1 ] );
+$chart->add_series( values => [ q{Sheet'1}, 0, 4, 2, 2 ] );
+
+$worksheet->insert_chart( 'E9', $chart );
+
+$workbook->close();
+
+
+###############################################################################
+#
+# Compare the generated and existing Excel files.
+#
+
+my ( $got, $expected, $caption ) = _compare_xlsx_files(
+
+    $got_filename,
+    $exp_filename,
+    $ignore_members,
+    $ignore_elements,
+);
+
+_is_deep_diff( $got, $expected, $caption );
+
+
+
+###############################################################################
+#
+# Cleanup.
+#
+unlink $got_filename;
+
+__END__
+
+
+
diff --git a/t/regression/xlsx_files/quote_name05.xlsx b/t/regression/xlsx_files/quote_name05.xlsx
new file mode 100644
index 00000000..dc059265
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diff --git a/t/regression/xlsx_files/quote_name06.xlsx b/t/regression/xlsx_files/quote_name06.xlsx
new file mode 100644
index 00000000..1b49fd8d
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diff --git a/t/regression/xlsx_files/quote_name07.xlsx b/t/regression/xlsx_files/quote_name07.xlsx
new file mode 100644
index 00000000..2277fce0
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