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* bug#25069: [PATCH] Improve the doc of eshell-cmpl-* custom variables
@ 2016-11-29 23:17 Hong Xu
  2017-06-10 12:10 ` npostavs
  0 siblings, 1 reply; 3+ messages in thread
From: Hong Xu @ 2016-11-29 23:17 UTC (permalink / raw)
  To: 25069

	* lisp/eshell/em-cmpl.el
	(eshell-cmpl--custom-variable-docstring): Add a new function to
	generate the docstring for custom variables derived from
	pcomplete-* variables.
---

The current eshell-cmpl-* documentation sometimes made me confused --
they actually show the documentation of pcomplete-*. For example,
eshell-cmpl-cycle-completions even has pcomplete-cycle-completions in
its doc without explaining the relationship between them.

This patch makes the relationship clearer.

 lisp/eshell/em-cmpl.el | 55 ++++++++++++++++++++++----------------------------
 1 file changed, 24 insertions(+), 31 deletions(-)

diff --git a/lisp/eshell/em-cmpl.el b/lisp/eshell/em-cmpl.el
index 47467678a68a..e01948cad454 100644
--- a/lisp/eshell/em-cmpl.el
+++ b/lisp/eshell/em-cmpl.el
@@ -136,75 +136,71 @@ eshell-command-completions-alist
   :type '(repeat (cons string regexp))
   :group 'eshell-cmpl)
 
+(defun eshell-cmpl--custom-variable-docstring (pcomplete-var)
+  "Generate the docstring of a variable derived from a pcomplete-* variable."
+  (format "%s\n\nIts value is assigned to `%s' locally
+after eshell starts."
+          (documentation-property pcomplete-var
+                                  'variable-documentation)
+          (symbol-name pcomplete-var)))
+
 (defcustom eshell-cmpl-file-ignore "~\\'"
-  (documentation-property 'pcomplete-file-ignore
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-file-ignore)
   :type (get 'pcomplete-file-ignore 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-dir-ignore "\\`\\(\\.\\.?\\|CVS\\)/\\'"
-  (documentation-property 'pcomplete-dir-ignore
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-dir-ignore)
   :type (get 'pcomplete-dir-ignore 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-ignore-case (eshell-under-windows-p)
-  (documentation-property 'pcomplete-ignore-case
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-ignore-case)
   :type (get 'pcomplete-ignore-case 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-autolist nil
-  (documentation-property 'pcomplete-autolist
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-autolist)
   :type (get 'pcomplete-autolist 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-suffix-list (list ?/ ?:)
-  (documentation-property 'pcomplete-suffix-list
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-suffix-list)
   :type (get 'pcomplete-suffix-list 'custom-type)
   :group 'pcomplete)
 
 (defcustom eshell-cmpl-recexact nil
-  (documentation-property 'pcomplete-recexact
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-recexact)
   :type (get 'pcomplete-recexact 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-man-function 'man
-  (documentation-property 'pcomplete-man-function
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-man-function)
   :type (get 'pcomplete-man-function 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-compare-entry-function 'file-newer-than-file-p
-  (documentation-property 'pcomplete-compare-entry-function
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-compare-entry-function)
   :type (get 'pcomplete-compare-entry-function 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-expand-before-complete nil
-  (documentation-property 'pcomplete-expand-before-complete
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-expand-before-complete)
   :type (get 'pcomplete-expand-before-complete 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-cycle-completions t
-  (documentation-property 'pcomplete-cycle-completions
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-cycle-completions)
   :type (get 'pcomplete-cycle-completions 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-cycle-cutoff-length 5
-  (documentation-property 'pcomplete-cycle-cutoff-length
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-cycle-cutoff-length)
   :type (get 'pcomplete-cycle-cutoff-length 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-restore-window-delay 1
-  (documentation-property 'pcomplete-restore-window-delay
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-restore-window-delay)
   :type (get 'pcomplete-restore-window-delay 'custom-type)
   :group 'eshell-cmpl)
 
@@ -212,15 +208,13 @@ eshell-command-completion-function
   (function
    (lambda ()
      (pcomplete-here (eshell-complete-commands-list))))
-  (documentation-property 'pcomplete-command-completion-function
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-command-completion-function)
   :type (get 'pcomplete-command-completion-function 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-command-name-function
   'eshell-completion-command-name
-  (documentation-property 'pcomplete-command-name-function
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-command-name-function)
   :type (get 'pcomplete-command-name-function 'custom-type)
   :group 'eshell-cmpl)
 
@@ -231,13 +225,12 @@ eshell-default-completion-function
 	     (pcomplete-dirs-or-entries
 	      (cdr (assoc (funcall eshell-cmpl-command-name-function)
 			  eshell-command-completions-alist)))))))
-  (documentation-property 'pcomplete-default-completion-function
-			  'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-default-completion-function)
   :type (get 'pcomplete-default-completion-function 'custom-type)
   :group 'eshell-cmpl)
 
 (defcustom eshell-cmpl-use-paring t
-  (documentation-property 'pcomplete-use-paring 'variable-documentation)
+  (eshell-cmpl--custom-variable-docstring 'pcomplete-use-paring)
   :type (get 'pcomplete-use-paring 'custom-type)
   :group 'eshell-cmpl)
 
-- 
2.1.4







^ permalink raw reply related	[flat|nested] 3+ messages in thread

* bug#25069: [PATCH] Improve the doc of eshell-cmpl-* custom variables
  2016-11-29 23:17 bug#25069: [PATCH] Improve the doc of eshell-cmpl-* custom variables Hong Xu
@ 2017-06-10 12:10 ` npostavs
  2017-11-03  0:51   ` Noam Postavsky
  0 siblings, 1 reply; 3+ messages in thread
From: npostavs @ 2017-06-10 12:10 UTC (permalink / raw)
  To: Hong Xu; +Cc: 25069

Hong Xu <hong@topbug.net> writes:

> +          (documentation-property pcomplete-var
> +                                  'variable-documentation)

We should pass non-nil for the RAW argument to stop references like
\[pcomplete-cycle] from being substituted too soon.





^ permalink raw reply	[flat|nested] 3+ messages in thread

* bug#25069: [PATCH] Improve the doc of eshell-cmpl-* custom variables
  2017-06-10 12:10 ` npostavs
@ 2017-11-03  0:51   ` Noam Postavsky
  0 siblings, 0 replies; 3+ messages in thread
From: Noam Postavsky @ 2017-11-03  0:51 UTC (permalink / raw)
  To: Hong Xu; +Cc: 25069

tags 25069 fixed
close 25069 26.1
quit

npostavs@users.sourceforge.net writes:

> Hong Xu <hong@topbug.net> writes:
>
>> +          (documentation-property pcomplete-var
>> +                                  'variable-documentation)
>
> We should pass non-nil for the RAW argument to stop references like
> \[pcomplete-cycle] from being substituted too soon.

Added RAW arg, pushed to emacs-26.

[1: ac0bb9a192]: 2017-11-02 20:38:09 -0400
  Improve the doc of eshell-cmpl-* custom variables (Bug#25069)
  https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=ac0bb9a192f1e5de4ddc938b71e5a49d36e48a2d





^ permalink raw reply	[flat|nested] 3+ messages in thread

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2016-11-29 23:17 bug#25069: [PATCH] Improve the doc of eshell-cmpl-* custom variables Hong Xu
2017-06-10 12:10 ` npostavs
2017-11-03  0:51   ` Noam Postavsky

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