Separate multiple --extra variables with , instead of ;

CHANGELOG.md

@@ -8,3 +8,8 @@ All notable changes to this project will be documented in this file.
 
 * Support for tags.
     * Many tag flavors are supported: `#hashtags`, `:colon:separated:tags:` and even Bear's [`#multi-word tags#`](https://blog.bear.app/2017/11/bear-tips-how-to-create-multi-word-tags/). If you prefer to use a YAML frontmatter, list your tags with the keys `tags` or `keywords`.
+
+### Changed
+
+* Multiple `--extra` variables are now separated by `,` instead of `;`.
+

cmd/new.go

@@ -16,7 +16,7 @@ type New struct {
 
 	Title     string            `short:t   placeholder:TITLE help:"Title of the new note."`
 	Group     string            `short:g   placeholder:NAME  help:"Name of the config group this note belongs to. Takes precedence over the config of the directory."`
-	Extra     map[string]string `                            help:"Extra variables passed to the templates."`
+	Extra     map[string]string `                            help:"Extra variables passed to the templates." mapsep:","`
 	Template  string            `type:path placeholder:PATH  help:"Custom template used to render the note."`
 	PrintPath bool              `short:p                     help:"Print the path of the created note instead of editing it."`
 }

docs/config-extra.md

@@ -20,11 +20,11 @@ visibility = "private" # overrides
 
 ## Dynamic extra variables
 
-Maybe more useful, you can provide additional extra variables dynamically to `zk new` from the command-line with `--extra`. Multiple variables must be separated by a semicolon `;`, in which case quoting the argument is required.
+Maybe more useful, you can provide additional extra variables dynamically to `zk new` from the command-line with `--extra`. Multiple variables can be separated by a comma `,`.
 
 ```sh
 $ zk new --extra author=Thomas
-$ zk new --extra "show-header=1;author=Thomas"
+$ zk new --extra show-header=1,author=Thomas
 ```
 
 ## Using extra variables in templates