[skip ci] Update test specification, add folding (#67)

Author: martinmoene

README.md

@@ -419,6 +419,10 @@ The version of *optional lite* is available via tag `[.version]`. The following
 
 ### A.2 Optional Lite test specification
 
+<details>
+<summary>click to expand</summary>
+<p>
+
 ```
 union: A C++03 union can only contain POD types
 optional: Allows to default construct an empty optional (1a)
@@ -471,6 +475,8 @@ optional: Allows to obtain value via value()
 optional: Allows to obtain moved-value via value() (C++11)
 optional: Allows to obtain value or default via value_or()
 optional: Allows to obtain moved-value or moved-default via value_or() (C++11)
+optional: Allows to obtain value or function call result via value_or_eval() [extension]
+optional: Allows to obtain moved-value or function call result via value_or_eval() (C++11) [extension]
 optional: Throws bad_optional_access at disengaged access
 optional: Throws bad_optional_access with non-empty what()
 optional: Allows to reset content
@@ -488,3 +494,5 @@ make_optional: Allows to in-place move-construct optional from initializer-list
 std::hash<>: Allows to obtain hash (C++11)
 tweak header: reads tweak header if supported [tweak]
 ```
+</p>
+</details>

test/optional.t.cpp

@@ -998,7 +998,7 @@ CASE( "optional: Allows to obtain moved-value or moved-default via value_or() (C
 #endif
 }
 
-CASE( "optional: Allows to obtain value or function call result via value_or_eval()" )
+CASE( "optional: Allows to obtain value or function call result via value_or_eval()" " [extension]" )
 {
 #if !optional_USES_STD_OPTIONAL
 #if !optional_CONFIG_NO_EXTENSIONS
@@ -1035,7 +1035,7 @@ CASE( "optional: Allows to obtain value or function call result via value_or_eva
 #endif
 }
 
-CASE( "optional: Allows to obtain moved-value or function call result via value_or_eval() (C++11)" )
+CASE( "optional: Allows to obtain moved-value or function call result via value_or_eval() (C++11)"  " [extension]" )
 {
 #if !optional_USES_STD_OPTIONAL
 #if !optional_CONFIG_NO_EXTENSIONS