Merge from origin/emacs-27

1fc9de4b81 Improve reproducibility of generated -pkg.el files
da6234e2df Make sure pixel sizes are zero when setting window size fo...
2d15296db1 Fix failure of 'emacs --daemon' on Cygwin
8abce5b0c6 CC Mode: Only recognize foo (*bar) as a function pointer w...
85d1d8d768 Fix NEWS entry for fix of Bug#44080
2443b15a91 * src/buffer.c (syms_of_buffer) <fill-column>: Improve doc...

# Conflicts:
#	etc/NEWS

1 files changed, 3 insertions, 0 deletions

diff --git a/src/buffer.c b/src/buffer.c
index 241f2d43a93..4fd2b0c8b17 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -5645,6 +5645,9 @@ Use the command `abbrev-mode' to change this variable.  */);
   DEFVAR_PER_BUFFER ("fill-column", &BVAR (current_buffer, fill_column),
                      Qintegerp,
                      doc: /* Column beyond which automatic line-wrapping should happen.
+It is used by filling commands, such as `fill-region' and `fill-paragraph',
+and by `auto-fill-mode', which see.
+See also `current-fill-column'.
 Interactively, you can set the buffer local value using \\[set-fill-column].  */);
 
   DEFVAR_PER_BUFFER ("left-margin", &BVAR (current_buffer, left_margin),