From 44818b3f74361b5d0d13cabf9d903a47fd7edf49 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 20 Jun 2026 23:15:00 +0000
Subject: [PATCH 1/2] Initial plan


From b4d5e54c5076284c93ab45a23525549d135c0ab9 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 20 Jun 2026 23:18:53 +0000
Subject: [PATCH 2/2] Fix reverse history multiline insertion delimiter

---
 PSFzf.Base.ps1  |  2 +-
 PSFzf.tests.ps1 | 51 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/PSFzf.Base.ps1 b/PSFzf.Base.ps1
index 07afee8..01ea962 100644
--- a/PSFzf.Base.ps1
+++ b/PSFzf.Base.ps1
@@ -947,7 +947,7 @@ function Invoke-FzfPsReadlineHandlerHistory {
 
 	$result = Get-PickedHistory -Query $line -UsePSReadLineHistory
 	if ($result -is [system.array]) {
-		$result = $result -join "```n"
+		$result = $result -join "`n"
 	}
 
 	InvokePromptHack
diff --git a/PSFzf.tests.ps1 b/PSFzf.tests.ps1
index 37ba231..78d45ad 100644
--- a/PSFzf.tests.ps1
+++ b/PSFzf.tests.ps1
@@ -842,5 +842,56 @@ if ( $false ) {
 				}
 			}
 		}
+
+	}
+}
+
+Describe "Invoke-FzfPsReadlineHandlerHistory multiline insertion" {
+	InModuleScope PsFzf {
+		BeforeEach {
+			Mock Get-PSConsoleReadLineBufferState {
+				[pscustomobject]@{
+					Line   = ''
+					Cursor = 0
+				}
+			} -ModuleName PsFzf
+
+			Mock InvokePromptHack {} -ModuleName PsFzf
+			Mock Replace-PSConsoleReadLineText {} -ModuleName PsFzf
+		}
+
+		It "Should join multiline history selections with newlines only" {
+			$historySelection = @(
+				'$a = 1'
+				'$b = 2'
+				'$c = 3'
+			)
+			$expected = $historySelection -join "`n"
+
+			Mock Get-PickedHistory { $historySelection } -ModuleName PsFzf
+
+			Invoke-FzfPsReadlineHandlerHistory
+
+			Should -Invoke 'Replace-PSConsoleReadLineText' -Times 1 -ModuleName PsFzf -ParameterFilter {
+				$Start -eq 0 -and $Length -eq 0 -and $ReplacementText -eq $expected
+			}
+		}
+
+		It "Should preserve explicit backticks from history entries" {
+			$historySelection = @(
+				'$a = 1 `'
+				'  + 2 `'
+				'  + 3'
+			)
+			$expected = $historySelection -join "`n"
+
+			Mock Get-PickedHistory { $historySelection } -ModuleName PsFzf
+
+			Invoke-FzfPsReadlineHandlerHistory
+
+			Should -Invoke 'Replace-PSConsoleReadLineText' -Times 1 -ModuleName PsFzf -ParameterFilter {
+				$Start -eq 0 -and $Length -eq 0 -and $ReplacementText -eq $expected
+			}
+		}
 	}
 }