runtime/help: Align tab's documentation to vsplit

Author: JoeKar

internal/action/command.go

@@ -546,7 +546,8 @@ func (h *BufPane) EvalCmd(args []string) {
 	InfoBar.Error("Eval unsupported")
 }
 
-// NewTabCmd opens the given file in a new tab
+// NewTabCmd opens one or more tabs with the files given as arguments
+// If no file is given, it opens an empty buffer in a new tab
 func (h *BufPane) NewTabCmd(args []string) {
 	width, height := screen.Screen.Size()
 	iOffset := config.GetInfoBarOffset()

runtime/help/commands.md

@@ -82,7 +82,9 @@ quotes here but these are not necessary when entering the command in micro.
 * `hsplit ['filename']`: same as `vsplit` but opens a horizontal split instead
    of a vertical split.
 
-* `tab ['filename']`: opens the given file in a new tab.
+* `tab ['filename']`: opens the given file in a new tab. If no filename
+   is provided, a tab is opened with an empty buffer. If multiple files are
+   provided (separated via ` `) they are opened all as tabs.
 
 * `tabmove '[-+]n'`: Moves the active tab to another slot. `n` is an integer.
    If `n` is prefixed with `-` or `+`, then it represents a relative position