From 4898b1669b54a8afca3303e70f01a9825cbe01d1 Mon Sep 17 00:00:00 2001
From: Artur Malabarba <bruce.connor.am@gmail.com>
Date: Sun, 7 Dec 2014 01:18:04 +0000
Subject: Patch sx and sx-question-print to use sx-babel.

---
 sx-question-print.el | 24 +++++++-----------------
 sx.el                | 28 ----------------------------
 2 files changed, 7 insertions(+), 45 deletions(-)

diff --git a/sx-question-print.el b/sx-question-print.el
index 2a0a035..fe64392 100644
--- a/sx-question-print.el
+++ b/sx-question-print.el
@@ -431,29 +431,19 @@ If ID is nil, use FALLBACK-ID instead."
   "If there's a pre block ahead, handle it, skip it and return t.
 Handling means to turn it into a button and remove erroneous
 font-locking."
-  (let (beg end text)
+  (let (beg end)
     (when (markdown-match-pre-blocks
            (save-excursion
              (skip-chars-forward "\r\n[:blank:]")
              (setq beg (point))))
       (setq end (point))
-      (setq text
-            (sx--unindent-text
-             (buffer-substring
-              (save-excursion
-                (goto-char beg)
-                (line-beginning-position))
-              end)))
-      (put-text-property beg end 'display nil)
-      (make-text-button
-       beg             end
-       'face           'markdown-pre-face
-       'sx-button-copy text
-       :type 'sx-question-mode-code-block))))
+      (sx-babel--make-pre-button
+       (buffer-substring
+        (save-excursion
+          (goto-char beg)
+          (line-beginning-position))
+        end)))))
 
 (provide 'sx-question-print)
 ;;; sx-question-print.el ends here
 
-;; Local Variables:
-;; lexical-binding: t
-;; End:
diff --git a/sx.el b/sx.el
index 8e3e5d3..d5d9b75 100644
--- a/sx.el
+++ b/sx.el
@@ -201,34 +201,6 @@ Anything before the (sub)domain is removed."
     (rx string-start (or (and (0+ word) (optional ":") "//")))
     "" url)))
 
-(defun sx--unindent-text (text)
-  "Remove indentation from TEXT.
-Primarily designed to extract the content of markdown code
-blocks."
-  (with-temp-buffer
-    (insert text)
-    (goto-char (point-min))
-    (let (result)
-      ;; Get indentation of each non-blank line
-      (while (null (eobp))
-        (skip-chars-forward "[:blank:]")
-        (unless (looking-at "$")
-          (push (current-column) result))
-        (forward-line 1))
-      (when result
-        ;; Build a regexp with the smallest indentation
-        (let ((rx (format "^ \\{0,%s\\}"
-                    (apply #'min result))))
-          (goto-char (point-min))
-          ;; Use this regexp to remove that much indentation
-          ;; throughout the buffer.
-          (while (and (null (eobp))
-                      (search-forward-regexp rx nil 'noerror))
-            (replace-match "")
-            (forward-line 1)))))
-    ;; Return the buffer
-    (buffer-string)))
-
 
 ;;; Printing request data
 (defvar sx--overlays nil
-- 
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