make `:u` alias `:update` (#6835)

* Gave the command update the alias u

* Re added trailing newline

* generated docs

book/src/generated/typable-cmd.md

@@ -46,7 +46,7 @@
 | `:character-info`, `:char` | Get info about the character under the primary cursor. |
 | `:reload` | Discard changes and reload from the source file. |
 | `:reload-all` | Discard changes and reload all documents from the source files. |
-| `:update` | Write changes only if the file has been modified. |
+| `:update`, `:u` | Write changes only if the file has been modified. |
 | `:lsp-workspace-command` | Open workspace command picker |
 | `:lsp-restart` | Restarts the Language Server that is in use by the current doc |
 | `:lsp-stop` | Stops the Language Server that is in use by the current doc |

helix-term/src/commands/typed.rs

@@ -2497,7 +2497,7 @@ pub const TYPABLE_COMMAND_LIST: &[TypableCommand] = &[
         },
         TypableCommand {
             name: "update",
-            aliases: &[],
+            aliases: &["u"],
             doc: "Write changes only if the file has been modified.",
             fun: update,
             signature: CommandSignature::none(),