fast-import: add support to delete refs

diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines
index ef67b53f721f28e5442c00273dec5f1582f555be..dab5c61bfe4649e603e986d008c66b410038050b 100644 (file)
--- a/Documentation/CodingGuidelines
+++ b/Documentation/CodingGuidelines
@@ -91,13 +91,13 @@ For shell scripts specifically (not exhaustive):
    E.g.: my_function () {
 
  - As to use of grep, stick to a subset of BRE (namely, no \{m,n\},
-   [::], [==], nor [..]) for portability.
+   [::], [==], or [..]) for portability.
 
    - We do not use \{m,n\};
 
    - We do not use -E;
 
-   - We do not use ? nor + (which are \{0,1\} and \{1,\}
+   - We do not use ? or + (which are \{0,1\} and \{1,\}
      respectively in BRE) but that goes without saying as these
      are ERE elements not BRE (note that \? and \+ are not even part
      of BRE -- making them accessible from BRE is a GNU extension).
@@ -126,6 +126,17 @@ For C programs:
    "char * string".  This makes it easier to understand code
    like "char *string, c;".
 
+ - Use whitespace around operators and keywords, but not inside
+   parentheses and not around functions. So:
+
+        while (condition)
+               func(bar + 1);
+
+   and not:
+
+        while( condition )
+               func (bar+1);
+
  - We avoid using braces unnecessarily.  I.e.
 
        if (bla) {