diff --git a/Docs/src/compiler.but b/Docs/src/compiler.but
index c908e054..10c4dcc8 100644
--- a/Docs/src/compiler.but
+++ b/Docs/src/compiler.but
@@ -178,6 +178,142 @@ Time when the script started compiling according to the current locale.
 
 Date & time of the last modification to the script file according to the current locale.
 
+\S1{} Scope Predefines
+
+Standard predefines that contain information of the current code scope.
+
+\S2{} $\{__GLOBAL__\}
+
+Defined in the global scope.
+
+\c Section test
+\c
+\c   !ifdef ${__GLOBAL__}
+\c     !error "this shouldn't be here!"
+\c   !endif
+\c 
+\c SectionEnd
+\c
+\c Function test
+\c 
+\c   !ifdef ${__GLOBAL__}
+\c     !error "this shouldn't be here!"
+\c   !endif
+\c 
+\c FunctionEnd
+\c
+\c PageEx instfiles
+\c 
+\c   !ifdef ${__GLOBAL__}
+\c     !error "this shouldn't be here!"
+\c   !endif
+\c 
+\c PageExEnd
+
+\S2{} $\{__SECTION__\}
+
+Defined as the section name, without any prefixes, in \R{ssection}{section} scope.
+
+\c !ifdef __SECTION__
+\c   !error "this shouldn't be here!"
+\c !endif
+\c 
+\c Section test
+\c 
+\c   !ifndef __SECTION__
+\c     !error "missing predefine!"
+\c   !endif
+\c
+\c   !if ${__SECTION__} != test
+\c     !error "wrong predefine value!"
+\c   !endif
+\c 
+\c SectionEnd
+\c
+\c Section !test
+\c
+\c   !if ${__SECTION__} != test
+\c     !error "wrong predefine value!"
+\c   !endif
+\c 
+\c SectionEnd
+\c
+\c Section un.test
+\c
+\c   !if ${__SECTION__} != test
+\c     !error "wrong predefine value!"
+\c   !endif
+\c 
+\c SectionEnd
+
+\S2{} $\{__FUNCTION__\}
+
+Defined as the function name, without any prefixes, in \R{ffunction}{function} scope.
+
+\c !ifdef __FUNCTION__
+\c   !error "this shouldn't be here!"
+\c !endif
+\c 
+\c Function test
+\c 
+\c   !ifndef __FUNCTION__
+\c     !error "missing predefine!"
+\c   !endif
+\c
+\c   !if ${__FUNCTION__} != test
+\c     !error "wrong predefine value!"
+\c   !endif
+\c 
+\c FunctionEnd
+\c
+\c Function un.test
+\c
+\c   !if ${__FUNCTION__} != test
+\c     !error "wrong predefine value!"
+\c   !endif
+\c 
+\c FunctionEnd
+
+\S2{} $\{__PAGEEX__\}
+
+Defined in \R{pageex}{PageEx} scope.
+
+\c !ifdef __PAGEEX__
+\c   !error "this shouldn't be here!"
+\c !endif
+\c 
+\c PageEx instfiles
+\c 
+\c   !ifndef __PAGEEX__
+\c     !error "missing predefine!"
+\c   !endif
+\c 
+\c PageExEnd
+
+\S2{} $\{__UNINSTALL__\}
+
+Defined in \R{ssection}{section}, \R{ffunction}{function} or \R{pageex}{PageEx} scopes of the uninstaller.
+
+\c !ifdef __UNINSTALL__
+\c   !error "this shouldn't be here!"
+\c !endif
+\c 
+\c Function test
+\c 
+\c   !ifdef __UNINSTALL__
+\c     !error "this shouldn't be here!"
+\c   !endif
+\c 
+\c FunctionEnd
+\c 
+\c Function un.test
+\c 
+\c   !ifndef __UNINSTALL__
+\c     !error "missing predefine!"
+\c   !endif
+\c 
+\c FunctionEnd
+
 \S0{compenvvarread} Read environment variables
 
 \S1{compenvvar} $%envVarName%