[elpa] externals/company bc5d233909: Mention why :background is still used for icons

[ELPA Syncer]

branch: externals/company
commit bc5d233909b69546928f85d1f37a094db9307000
Author: Dmitry Gutov <dmitry@gutov.dev>
Commit: Dmitry Gutov <dmitry@gutov.dev>

    Mention why :background is still used for icons
---
 company.el | 1 +
 1 file changed, 1 insertion(+)

diff --git a/company.el b/company.el
index 5b94f27eb3..a9155c7e11 100644
--- a/company.el
+++ b/company.el
@@ -1866,6 +1866,7 @@ end of the match."
                          :width icon-size
                          :height icon-size
                          :ascent 'center
+                         ;; Transparency requires Emacs 28+.
                          :background (unless (eq bkg 'unspecified)
                                        bkg)))
              (spacer-px-width (- (* company-icon-margin dfw) icon-size)))