René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Unwanted change in tab completion in \u003e= 7.4.0-preview.5","articleBody":"### Prerequisites\r\n\r\n- [X] Write a descriptive title.\r\n- [X] Make sure you are able to repro it on the [latest released version](https://github.com/PowerShell/PowerShell/releases)\r\n- [X] Search the existing issues.\r\n- [X] Refer to the [FAQ](https://github.com/PowerShell/PowerShell/blob/master/docs/FAQ.md).\r\n- [X] Refer to [Differences between Windows PowerShell 5.1 and PowerShell](https://learn.microsoft.com/powershell/scripting/whats-new/differences-from-windows-powershell).\r\n\r\n### Steps to reproduce\r\n\r\nWith 7.4.0-preview.6 (using PSReadLine 2.3.3 FWIW; also in 7.4.0-preview.5) I get this unexpected result when entering `//pnjnas/pi/jee\u003cTAB\u003e`:\r\n\r\n````\r\n//pnjnas/pi/\\jeedom\\\r\n````\r\n\r\nThat kind of path causes a number of failures with most of my scripts.\r\n\r\nWith 7.3.7 or 7.4.0-preview.4, the same action results in a usable expansion:\r\n\r\n````\r\n\\\\pnjnas\\pi\\jeedom\\\r\n````\r\n\r\n\r\n\r\n\r\n### Expected behavior\r\n\r\nExpansion should either expand everything with forward slashes (to match the \"input style\") or convert all slashes to backslashes (probably the latter for backwards compatibility / consistency with the Windows conventions).\r\n```console\r\n\\\\pnjnas\\pi\\jeedom\\\r\n```\r\n\r\n\r\n### Actual behavior\r\n\r\nthe `//server/share` part of the pathspec is not converted to \"Windows canonical form with backslashes\":\r\n\r\n```console\r\n//pnjnas/pi/\\jeedom\\\r\n```\r\n\r\n\r\n### Error details\r\n\r\n_No response_\r\n\r\n### Environment data\r\n\r\n```powershell\r\nPSVersion                      7.4.0-preview.6\r\nPSEdition                      Core\r\nGitCommitId                    7.4.0-preview.6\r\nOS                             Microsoft Windows 10.0.22621\r\nPlatform                       Win32NT\r\nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}\r\nPSRemotingProtocolVersion      2.3\r\nSerializationVersion           1.1.0.1\r\nWSManStackVersion              3.0\r\n```\r\n\r\n\r\n### Visuals\r\n\r\n_No response_","author":{"url":"https://github.com/sba923","@type":"Person","name":"sba923"},"datePublished":"2023-10-01T12:47:25.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/20413/PowerShell/issues/20413"}