Update docs

doc/build.py

@@ -91,7 +91,8 @@ def build_docs(version='dev', **kwargs):
                           FMT_USE_USER_DEFINED_LITERALS=1 \
                           FMT_API= \
                           "FMT_BEGIN_NAMESPACE=namespace fmt {{" \
-                          "FMT_END_NAMESPACE=}}"
+                          "FMT_END_NAMESPACE=}}" \
+                          "FMT_STRING_ALIAS=1"
       EXCLUDE_SYMBOLS   = fmt::internal::* StringValue write_str
     '''.format(include_dir, doxyxml_dir).encode('UTF-8'))
   if p.returncode != 0:

include/fmt/format.h

@@ -3725,7 +3725,9 @@ FMT_END_NAMESPACE
 #if defined(FMT_STRING_ALIAS) && FMT_STRING_ALIAS
 /**
   \rst
-  Constructs a compile-time format string.
+  Constructs a compile-time format string. This macro is disabled by default to
+  prevent potential name collisions. To enable it define ``FMT_STRING_ALIAS`` to
+  1 before including ``fmt/format.h``.
 
   **Example**::