[PATCH] doc: State coding guideline for error message punctuation

[Philip Oakley <philipoakley@iee.org>]

Clarify error message puntuation to reduce review workload [1].

[1] http://article.gmane.org/gmane.comp.version-control.git/251547
(see trailing 'nit' item).

Signed-off-by: Philip Oakley <philipoakley@iee.org>
---
 Documentation/CodingGuidelines | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines
index 4d90c77..b2f3442 100644
--- a/Documentation/CodingGuidelines
+++ b/Documentation/CodingGuidelines
@@ -404,6 +404,13 @@ For Python scripts:
    documentation for version 2.6 does not mention this prefix, it has
    been supported since version 2.6.0.
 
+Error Messages
+
+ - We typically do not end error messages with a full stop. While
+   we've been rather inconsistent in the past, these days we mostly
+   settle on no punctuation.
+
+
 Writing Documentation:
 
  Most (if not all) of the documentation pages are written in the
-- 
1.9.4.msysgit.0