SubmittingPatches: document how to reference previous commits

diff --git a/Documentation/technical/api-config.txt b/Documentation/technical/api-config.txt
index 21f280ca6dbd85a1f4d1d599db1393077fc93bdf..20741f345e459f41d357039496f7d6be30edab06 100644 (file)
--- a/Documentation/technical/api-config.txt
+++ b/Documentation/technical/api-config.txt
@@ -63,13 +63,6 @@ parse for configuration, rather than looking in the usual files. Regular
 Specify whether include directives should be followed in parsed files.
 Regular `git_config` defaults to `1`.
 
-There is a special version of `git_config` called `git_config_early`.
-This version takes an additional parameter to specify the repository
-config, instead of having it looked up via `git_path`. This is useful
-early in a Git program before the repository has been found. Unless
-you're working with early setup code, you probably don't want to use
-this.
-
 Reading Specific Files
 ----------------------
 
@@ -155,6 +148,19 @@ as well as retrieval for the queried variable, including:
        Similar to `git_config_get_string`, but expands `~` or `~user` into
        the user's home directory when found at the beginning of the path.
 
+`git_die_config(const char *key, const char *err, ...)`::
+
+       First prints the error message specified by the caller in `err` and then
+       dies printing the line number and the file name of the highest priority
+       value for the configuration variable `key`.
+
+`void git_die_config_linenr(const char *key, const char *filename, int linenr)`::
+
+       Helper function which formats the die error message according to the
+       parameters entered. Used by `git_die_config()`. It can be used by callers
+       handling `git_config_get_value_multi()` to print the correct error message
+       for the desired value.
+
 See test-config.c for usage examples.
 
 Value Parsing Helpers