- patch from Rob Sullivan to add support for -L

1 files changed, 2 insertions, 1 deletions

diff --git a/include/usage.h b/include/usage.h
index 2eb548bcf..d458936ca 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -454,7 +454,7 @@
         "/dev/sda3              8690864   8553540    137324  98% /\n"
 
 #define diff_trivial_usage \
-        "[-abdiNqrTstw] [-S FILE] [-U LINES] FILE1 FILE2"
+        "[-abdiNqrTstw] [-L LABEL] [-S FILE] [-U LINES] FILE1 FILE2"
 #define diff_full_usage \
         "Compare files line by line and output the differences between them.\n" \
         "This diff implementation only supports unified diffs.\n\n" \
@@ -463,6 +463,7 @@
         "\t-b\tIgnore changes in the amount of whitespace\n" \
         "\t-d\tTry hard to find a smaller set of changes\n" \
         "\t-i\tIgnore case differences\n" \
+        "\t-L\tUse LABEL instead of the filename in the unified header\n" \
         "\t-N\tTreat absent files as empty\n" \
         "\t-q\tOutput only whether files differ\n" \
         "\t-r\tRecursively compare any subdirectories\n" \