CodingGuidelines: give an example for shell function preamble

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines
index 47db6b3..0a574b2 100644 (file)
--- a/Documentation/CodingGuidelines
+++ b/Documentation/CodingGuidelines
@@ -123,9 +123,17 @@ For shell scripts specifically (not exhaustive):
  - We do not write the noiseword "function" in front of shell
    functions.
 
- - We prefer a space between the function name and the parentheses. The
-   opening "{" should also be on the same line.
-   E.g.: my_function () {
+ - We prefer a space between the function name and the parentheses,
+   and no space inside the parentheses. The opening "{" should also
+   be on the same line.
+
+       (incorrect)
+       my_function(){
+               ...
+
+       (correct)
+       my_function () {
+               ...
 
  - As to use of grep, stick to a subset of BRE (namely, no \{m,n\},
    [::], [==], or [..]) for portability.