[elpa] externals/auctex 259ffc34c4 12/60: Use DEFAULT argument of `TeX-read-string' in styles

[Tassilo Horn]

branch: externals/auctex
commit 259ffc34c474f559d840e5ab4701780629bc8791
Author: Arash Esbati <arash@gnu.org>
Commit: Arash Esbati <arash@gnu.org>

    Use DEFAULT argument of `TeX-read-string' in styles
    
    * style/longtable.el (LaTeX-env-longtable):
    * style/ocg-p.el (LaTeX-env-ocgp-ocgtabular):
    * style/plext.el (LaTeX-plext-env-array):
    * style/xltabular.el (LaTeX-env-xltabular): Use the DEFAULT
    argument in `TeX-read-string' where applicable.
---
 style/longtable.el | 21 ++++++++++++++++-----
 style/ocg-p.el     | 11 +++++++++--
 style/plext.el     | 15 ++++++++++++---
 style/xltabular.el | 28 +++++++++++++++++++++-------
 4 files changed, 58 insertions(+), 17 deletions(-)

diff --git a/style/longtable.el b/style/longtable.el
index 2646e339ab..8db4083c66 100644
--- a/style/longtable.el
+++ b/style/longtable.el
@@ -1,6 +1,6 @@
 ;;; longtable.el --- AUCTeX style for `longtable.sty'.  -*- lexical-binding: 
t; -*-
 
-;; Copyright (C) 2013--2020  Free Software Foundation, Inc.
+;; Copyright (C) 2013--2022  Free Software Foundation, Inc.
 
 ;; Maintainer: auctex-devel@gnu.org
 ;; Author: Mosè Giordano <mose@gnu.org>
@@ -56,13 +56,24 @@ insert line break macro."
 
 (defun LaTeX-env-longtable (environment)
   "Insert a longtable-like ENVIRONMENT with caption and label."
-  (let* ((pos (completing-read (TeX-argument-prompt t nil "Position")
-                               '(("l") ("r") ("c"))))
-         (fmt (TeX-read-string "Format: " LaTeX-default-format))
+  (let* ((pos (and LaTeX-default-position ; `LaTeX-default-position'
+                                        ; can be nil, i.e. no prompt
+                   (completing-read (TeX-argument-prompt t nil "Position")
+                                    '("l" "r" "c")
+                                    nil nil LaTeX-default-position)))
+         (fmt (TeX-read-string
+               (if (string= LaTeX-default-format "")
+                   "Format: "
+                 (format "Format (default %s): " LaTeX-default-format))
+               nil nil
+               (if (string= LaTeX-default-format "")
+                   nil
+                 LaTeX-default-format)))
          (caption (TeX-read-string "Caption: "))
          (short-caption (when (>= (length caption) 
LaTeX-short-caption-prompt-length)
                           (TeX-read-string "(Optional) Short caption: "))))
-    (setq LaTeX-default-format fmt)
+    (setq LaTeX-default-position pos
+          LaTeX-default-format   fmt)
     (LaTeX-insert-environment environment
                               (concat
                                (unless (zerop (length pos))
diff --git a/style/ocg-p.el b/style/ocg-p.el
index 26f881f445..d3ab40da89 100644
--- a/style/ocg-p.el
+++ b/style/ocg-p.el
@@ -1,6 +1,6 @@
 ;;; ocg-p.el --- AUCTeX style for `ocg-p.sty' (v0.4)  -*- lexical-binding: t; 
-*-
 
-;; Copyright (C) 2018, 2020 Free Software Foundation, Inc.
+;; Copyright (C) 2018--2022 Free Software Foundation, Inc.
 
 ;; Author: Arash Esbati <arash@gnu.org>
 ;; Maintainer: auctex-devel@gnu.org
@@ -123,7 +123,14 @@ Just like array and tabular."
   (let ((pos (and LaTeX-default-position ; LaTeX-default-position can
                                         ; be nil, i.e. do not prompt
                   (TeX-read-string "(Optional) Position: " 
LaTeX-default-position)))
-        (fmt (TeX-read-string "Format: " LaTeX-default-format))
+        (fmt (TeX-read-string
+              (if (string= LaTeX-default-format "")
+                  "Format: "
+                (format "Format (default %s): " LaTeX-default-format))
+              nil nil
+              (if (string= LaTeX-default-format "")
+                  nil
+                LaTeX-default-format)))
         (dbase (TeX-read-string "Database name: "))
         (opts (TeX-read-string "Additional options: ")))
     (setq LaTeX-default-position pos)
diff --git a/style/plext.el b/style/plext.el
index 8b4cf0b3f3..26e564e584 100644
--- a/style/plext.el
+++ b/style/plext.el
@@ -1,6 +1,6 @@
 ;;; plext.el --- AUCTeX style for the plext package.  -*- lexical-binding: t; 
-*-
 
-;; Copyright (C) 2014, 2020 Free Software Foundation, Inc.
+;; Copyright (C) 2014, 2020, 2022 Free Software Foundation, Inc.
 
 ;; Author: Ikumi Keita <ikumi@ikumi.que.jp>
 ;; Maintainer: auctex-devel@gnu.org
@@ -55,11 +55,20 @@
 (defun LaTeX-plext-env-array (env)
   (let ((dir (TeX-read-string "(Optional) Direction (t or y or z): "))
         (width (if (string= env "tabular*")
-                   (TeX-read-string "Width: " LaTeX-default-width)))
+                   (TeX-read-string
+                    (format "Width (default %s): " LaTeX-default-width)
+                    nil nil LaTeX-default-width)))
         (pos (and LaTeX-default-position ; LaTeX-default-position can
                                         ; be nil, i.e. do not prompt
                   (TeX-read-string "(Optional) Position: " 
LaTeX-default-position)))
-        (fmt (TeX-read-string "Format: " LaTeX-default-format)))
+        (fmt (TeX-read-string
+              (if (string= LaTeX-default-format "")
+                  "Format: "
+                (format "Format (default %s): " LaTeX-default-format))
+              nil nil
+              (if (string= LaTeX-default-format "")
+                  nil
+                LaTeX-default-format))))
     (unless (zerop (length dir))
       (setq dir (concat "<" dir ">")))
     (if (string= env "tabular*")
diff --git a/style/xltabular.el b/style/xltabular.el
index 09c5a97248..3fb3e0d220 100644
--- a/style/xltabular.el
+++ b/style/xltabular.el
@@ -1,6 +1,6 @@
 ;;; xltabular.el --- AUCTeX style for `xltabular.sty' (v0.05)  -*- 
lexical-binding: t; -*-
 
-;; Copyright (C) 2017, 2020 Free Software Foundation, Inc.
+;; Copyright (C) 2017--2022 Free Software Foundation, Inc.
 
 ;; Author: Arash Esbati <arash@gnu.org>
 ;; Maintainer: auctex-devel@gnu.org
@@ -49,15 +49,29 @@ nested curly brace pair nor escaped \"}\".")
   ;; Optional <hPos> comes before <width>, hence we cannot use
   ;; `LaTeX-env-tabular*' here and has to cook our own function which
   ;; is a combination of `LaTeX-env-tabular*' and
-  ;; `LaTeX-env-longtable':
-  (let* ((pos (completing-read (TeX-argument-prompt t nil "Position")
-                               '("l" "r" "c")))
-         (width (TeX-read-string "Width: " LaTeX-default-width))
-         (fmt (TeX-read-string "Format: " LaTeX-default-format))
+  ;; `LaTeX-env-longtable'.  Note that `LaTeX-default-position' can be
+  ;; nil, i.e. do not prompt:
+  (let* ((pos (and LaTeX-default-position
+                   (completing-read (TeX-argument-prompt t nil "Position")
+                                    '("l" "r" "c")
+                                    nil nil LaTeX-default-position)))
+         (width (TeX-read-string
+                 (format "Width (default %s): " LaTeX-default-width)
+                 nil nil LaTeX-default-width))
+         (fmt (TeX-read-string
+               (if (string= LaTeX-default-format "")
+                   "Format: "
+                 (format "Format (default %s): " LaTeX-default-format))
+               nil nil
+               (if (string= LaTeX-default-format "")
+                   nil
+                 LaTeX-default-format)))
          (caption (TeX-read-string "Caption: "))
          (short-caption (when (>= (length caption) 
LaTeX-short-caption-prompt-length)
                           (TeX-read-string "(Optional) Short caption: "))))
-    (setq LaTeX-default-format fmt)
+    (setq LaTeX-default-position pos
+          LaTeX-default-width    width
+          LaTeX-default-format   fmt)
     (LaTeX-insert-environment environment
                               (concat
                                (unless (zerop (length pos))