In doc, use standard American English style for e.g., etc., i.e.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/coding.c b/src/coding.c
index 20d5d92f046..346a8573b70 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -10720,7 +10720,7 @@ reading if you suppress escape sequence detection.
 
 The other way to read escape sequences in a file without decoding is
 to explicitly specify some coding system that doesn't use ISO-2022
-escape sequence (e.g `latin-1') on reading by \\[universal-coding-system-argument].  */);
+escape sequence (e.g., `latin-1') on reading by \\[universal-coding-system-argument].  */);
   inhibit_iso_escape_detection = 0;
 
   DEFVAR_BOOL ("inhibit-null-byte-detection",