Fix docs.

doc/CMakeLists.txt

@@ -2,5 +2,5 @@ add_custom_command(OUTPUT html/index.html
   COMMAND doxygen
   COMMAND rm -rf html
   COMMAND ../sphinx/sphinx-build.py -b html . html
-  DEPENDS Doxyfile conf.py index.rst _templates/layout.html)
+  DEPENDS ../format.h Doxyfile conf.py index.rst _templates/layout.html)
 add_custom_target(doc DEPENDS html/index.html)

doc/index.rst

@@ -41,7 +41,7 @@ Write API
 
 .. doxygenfunction:: fmt::hexu
 
-.. doxygenfunction:: fmt::pad
+.. doxygenfunction:: fmt::pad(int, unsigned, Char)
 
 .. _formatstrings:
 

format.h

@@ -665,8 +665,9 @@ IntFormatSpec<int, TypeSpec<'X'> > hexu(int value);
 
   **Example**::
 
-    std::string s = str(Writer() << pad(hex(0xcafe), 8, '0'));
-    // s == "0000cafe"
+    Writer out;
+    out << pad(hex(0xcafe), 8, '0');
+    // out.str() == "0000cafe"
 
   \endrst
  */