FUEL: New command fuel-help-vocab (v in help browser).

misc/fuel/README

@@ -95,6 +95,7 @@ beast.
 *** In the help browser:
 
     - h : help for word at point
+    - v : help for a vocabulary
     - a : find words containing given substring (M-x fuel-apropos)
     - e : edit current article
     - ba : bookmark current page

misc/fuel/fuel-help.el

@@ -232,6 +232,11 @@ buffer."
   (interactive)
   (fuel-help--word-help))
 
+(defun fuel-help-vocab (vocab)
+  "Ask for a vocabulary name and show its help page."
+  (interactive (list (fuel-edit--read-vocabulary-name nil)))
+  (fuel-help--get-vocab vocab))
+
 (defun fuel-help-next (&optional forget-current)
   "Go to next page in help browser.
 With prefix, the current page is deleted from history."
@@ -298,6 +303,7 @@ With prefix, the current page is deleted from history."
     (define-key map "l" 'fuel-help-previous)
     (define-key map "p" 'fuel-help-previous)
     (define-key map "r" 'fuel-help-refresh)
+    (define-key map "v" 'fuel-help-vocab)
     (define-key map (kbd "SPC")  'scroll-up)
     (define-key map (kbd "S-SPC") 'scroll-down)
     (define-key map "\M-." 'fuel-edit-word-at-point)