[PATCH] Improve and fix git-check-attr(1)

[Jonas Fonseca <fonseca@diku.dk>]

Always use 'verse' for multi-line synopsis sections. Add output and
example sections to document what output can be expected.

Signed-off-by: Jonas Fonseca <fonseca@diku.dk>

---
 Documentation/git-check-attr.txt |   63 +++++++++++++++++++++++++++++++++++++-
 1 files changed, 62 insertions(+), 1 deletions(-)

 At least the first chunk should be applied. The last is a quick attempt
 at documenting the expected output formally and with examples.

diff --git a/Documentation/git-check-attr.txt b/Documentation/git-check-attr.txt
index 14e4374..09c5234 100644
--- a/Documentation/git-check-attr.txt
+++ b/Documentation/git-check-attr.txt
@@ -8,8 +8,9 @@ git-check-attr - Display gitattributes information.
 
 SYNOPSIS
 --------
+[verse]
 'git check-attr' attr... [--] pathname...
-'git check-attr' --stdin [-z] attr... < <list-of-paths
+'git check-attr' --stdin [-z] attr... < <list-of-paths>
 
 DESCRIPTION
 -----------
@@ -30,6 +31,66 @@ OPTIONS
 	arguments as path names. If not supplied, only the first argument will
 	be treated as an attribute.
 
+OUTPUT
+------
+
+The output is of the form:
+<path> COLON SP <attribute> COLON SP <info> LF
+
+Where <path> is the path of a file being queried, <attribute> is an attribute
+being queried and <info> can be either:
+
+'unspecified';; when the attribute is not defined for the path.
+'unset';; when the attribute is defined to false.
+'set';; when the attribute is defined to true.
+<value>;; when a value has been assigned to the attribute.
+
+EXAMPLES
+--------
+
+In the following examples, the following '.gitattributes' file is used:
+---------------
+*.java diff=java -crlf myAttr
+README caveat=unspecified
+---------------
+
+* Output for an unspecified attribute:
+---------------
+$ git check-attr filter src/org/example/lib/MyClass.java
+src/org/example/lib/MyClass.java: filter: unspecified
+---------------
+
+* Output for an unset attribute:
+---------------
+$ git check-attr crlf src/org/example/lib/MyClass.java
+src/org/example/lib/MyClass.java: crlf: unset
+---------------
+
+* Output for an attribute that has been set:
+---------------
+$ git check-attr myAttr src/org/example/lib/MyClass.java
+src/org/example/lib/MyClass.java: myAttr: set
+---------------
+
+* Output for an attribute set to a value:
+---------------
+$ git check-attr diff src/org/example/lib/MyClass.java
+src/org/example/lib/MyClass.java: diff: java
+---------------
+
+* Listing multiple attributes for a file:
+---------------
+$ git check-attr crlf diff myAttr -- src/org/example/lib/MyClass.java
+src/org/example/lib/MyClass.java: crlf: unset
+src/org/example/lib/MyClass.java: diff: java
+src/org/example/lib/MyClass.java: myAttr: set
+---------------
+
+* Not all values are equally unambiguous:
+---------------
+$ git check-attr caveat README
+src/org/example/lib/MyClass.java: caveat: unspecified
+---------------
 
 SEE ALSO
 --------
-- 
tg: (340fcf4..) jf/man-git-check-attr (depends on: next)

-- 
Jonas Fonseca