Merge branch 'sb/trailers-docfix'

Doc update.

* sb/trailers-docfix:
Documentation/git-interpret-trailers: explain possible values

diff --combined Documentation/git-interpret-trailers.txt
index 9111c47a1bf2c22466bb74d3b3bca540c4fb0eb2,ce6ff1303ae9ba5ffad6ceab1f5836903ce233c3..b8fafb1e8bdd6c3e061b88b227e1ef264bbfbd07
--- 1/Documentation/git-interpret-trailers.txt
--- 2/Documentation/git-interpret-trailers.txt
+++ b/Documentation/git-interpret-trailers.txt
@@@ -8,8 -8,8 +8,8 @@@ git-interpret-trailers - add or parse s
  SYNOPSIS
  --------
  [verse]
 -'git interpret-trailers' [options] [(--trailer <token>[(=|:)<value>])...] [<file>...]
 -'git interpret-trailers' [options] [--parse] [<file>...]
 +'git interpret-trailers' [<options>] [(--trailer <token>[(=|:)<value>])...] [<file>...]
 +'git interpret-trailers' [<options>] [--parse] [<file>...]
  
  DESCRIPTION
  -----------
@@@ -88,7 -88,8 +88,8 @@@ OPTION
        Specify where all new trailers will be added.  A setting
        provided with '--where' overrides all configuration variables
        and applies to all '--trailer' options until the next occurrence of
-       '--where' or '--no-where'.
+       '--where' or '--no-where'. Possible values are `after`, `before`,
+       `end` or `start`.
  
  --if-exists <action>::
  --no-if-exists::
@@@ -96,7 -97,8 +97,8 @@@
        least one trailer with the same <token> in the message.  A setting
        provided with '--if-exists' overrides all configuration variables
        and applies to all '--trailer' options until the next occurrence of
-       '--if-exists' or '--no-if-exists'.
+       '--if-exists' or '--no-if-exists'. Possible actions are `addIfDifferent`,
+       `addIfDifferentNeighbor`, `add`, `replace` and `doNothing`.
  
  --if-missing <action>::
  --no-if-missing::
@@@ -104,7 -106,8 +106,8 @@@
        trailer with the same <token> in the message.  A setting
        provided with '--if-missing' overrides all configuration variables
        and applies to all '--trailer' options until the next occurrence of
-       '--if-missing' or '--no-if-missing'.
+       '--if-missing' or '--no-if-missing'. Possible actions are `doNothing`
+       or `add`.
  
  --only-trailers::
        Output only the trailers, not any other parts of the input.