Add about_Error_Handling to index; fix stale descriptions and dates

- About.md: Add missing about_Error_Handling entry to topic index
- About.md: Update about_Trap and about_Try_Catch_Finally descriptions
  to say "statement-terminating and script-terminating errors"
- about_Try_Catch_Finally.md: Fix [07] link text to match target heading
- Update ms.date on about_Trap, about_CommonParameters,
  about_Preference_Variables, everything-about-exceptions

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: 2 people

reference/7.6/Microsoft.PowerShell.Core/About/About.md

@@ -167,6 +167,13 @@ Provides access to the Windows environment variables.
 
 Describes how to access and manage environment variables in PowerShell.
 
+### [about_Error_Handling](about_Error_Handling.md)
+
+Describes the three categories of PowerShell errors — non-terminating,
+statement-terminating, and script-terminating — and explains how error
+action preferences, `try/catch/trap`, and error state variables control
+error handling behavior.
+
 ### [about_Execution_Policies](about_Execution_Policies.md)
 
 Describes the PowerShell execution policies and explains how to manage them.
@@ -594,12 +601,13 @@ default.
 
 ### [about_Trap](about_Trap.md)
 
-Describes a keyword that handles a terminating error.
+Describes a keyword that handles statement-terminating and script-terminating
+errors.
 
 ### [about_Try_Catch_Finally](about_Try_Catch_Finally.md)
 
 Describes how to use the `try`, `catch`, and `finally` blocks to handle
-terminating errors.
+statement-terminating and script-terminating errors.
 
 ### [about_Type_Accelerators](about_Type_Accelerators.md)
 

reference/7.6/Microsoft.PowerShell.Core/About/about_CommonParameters.md

@@ -1,7 +1,7 @@
 ---
 description: Describes the parameters that can be used with any cmdlet.
 Locale: en-US
-ms.date: 01/18/2026
+ms.date: 03/29/2026
 no-loc: [Confirm, Debug, ErrorAction, ErrorVariable, InformationAction, InformationVariable, OutBuffer, OutVariable, PipelineVariable, ProgressAction, Verbose, WarningAction, WarningVariable, WhatIf]
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.core/about/about_commonparameters?view=powershell-7.6&WT.mc_id=ps-gethelp
 schema: 2.0.0

reference/7.6/Microsoft.PowerShell.Core/About/about_Preference_Variables.md

@@ -1,7 +1,7 @@
 ---
 description: Variables that customize the behavior of PowerShell.
 Locale: en-US
-ms.date: 12/01/2025
+ms.date: 03/29/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.core/about/about_preference_variables?view=powershell-7.6&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: about_Preference_Variables

reference/7.6/Microsoft.PowerShell.Core/About/about_Trap.md

@@ -1,7 +1,7 @@
 ---
 description: Describes a keyword that handles statement-terminating and script-terminating errors.
 Locale: en-US
-ms.date: 01/13/2026
+ms.date: 03/29/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.core/about/about_trap?view=powershell-7.6&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: about_Trap

reference/7.6/Microsoft.PowerShell.Core/About/about_Try_Catch_Finally.md

@@ -32,8 +32,8 @@ block or `trap` statement.
 > [!NOTE]
 > `$ErrorActionPreference` can suppress `throw`. When set to
 > `SilentlyContinue` or `Ignore`, the error does not propagate and
-> execution continues at the next statement. For details, see the
-> [_throw_ suppression section][07] in **about_Error_Handling**.
+> execution continues at the next statement. For details, see
+> [Script-terminating errors][07] in **about_Error_Handling**.
 
 Use the `try` block to define a section of a script in which you want
 PowerShell to monitor for errors. When an error occurs within the `try` block,

reference/docs-conceptual/learn/deep-dives/everything-about-exceptions.md

@@ -1,7 +1,7 @@
 ---
 description: Error handling is just part of life when it comes to writing code.
 ms.custom: contributor-KevinMarquette
-ms.date: 06/20/2024
+ms.date: 03/29/2026
 title: Everything you wanted to know about exceptions
 ---
 # Everything you wanted to know about exceptions