[nongnu] elpa/markdown-mode 5f970814f4 1/3: make `markdown` pass `buffer-file-name` as a parameter to `markdown-command`

[ELPA Syncer]

branch: elpa/markdown-mode
commit 5f970814f4121474ec4f4b1bd43f759bb4b7108f
Author: Carlos Scheidegger <carlos.scheidegger@rstudio.com>
Commit: Carlos Scheidegger <carlos.scheidegger@rstudio.com>

    make `markdown` pass `buffer-file-name` as a parameter to `markdown-command`
---
 CHANGES.md       | 5 +++++
 markdown-mode.el | 6 +++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGES.md b/CHANGES.md
index 0511ef0426..2a2a3b12bb 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,11 @@
 
 *Under development*
 
+*   Improvements:
+    -   `markdown` passes `buffer-file-name` as a parameter to
+        `markdown-command` when `markdown-command-needs-filename` is
+        `t` and `markdown-command` is a function.
+
 # Markdown Mode 2.5
 
 *   **Breaking changes:**
diff --git a/markdown-mode.el b/markdown-mode.el
index 10342fb809..7c60b58951 100644
--- a/markdown-mode.el
+++ b/markdown-mode.el
@@ -7351,7 +7351,11 @@ Return the name of the output buffer used."
                      (if (not (null command-args))
                          (apply #'call-process-region begin-region end-region 
command nil buf nil command-args)
                        (call-process-region begin-region end-region command 
nil buf))
-                   (funcall markdown-command begin-region end-region buf)
+                   (if markdown-command-needs-filename
+                       (if (not buffer-file-name)
+                           (user-error "Must be visiting a file")
+                         (funcall markdown-command begin-region end-region buf 
buffer-file-name))
+                     (funcall markdown-command begin-region end-region buf))
                    ;; If the ‘markdown-command’ function didn’t signal an
                    ;; error, assume it succeeded by binding ‘exit-code’ to 0.
                    0))))))