To remove structural information, especially to filter something with an implicit tree structure into a simple sequence of leaves also tends to imply mapping to flat ASCII. "This code flattens an expression with parentheses into an equivalent canonical form." [Jargon File]

In addition suitable contents:
[ = ] [ al ] [ am ] [ an ] [ app ] [ ar ] [ arc ] [ arg ] [ AS ] [ ASCII ] [ at ] [ av ] [ C ] [ ca ] [ canonical ] [ ch ] [ ci ] [ co ] [ code ] [ de ] [ du ] [ ec ] [ ee ] [ er ] [ es ] [ et ] [ expression ] [ fi ] [ file ] [ filter ] [ flat ] [ flat ASCII ] [ fo ] [ for ] [ h ] [ hing ] [ hr ] [ id ] [ il ] [ in ] [ int ] [ io ] [ is ] [ it ] [ J ] [ Jargon File ] [ la ] [ leaves ] [ Lex ] [ li ] [ ls ] [ lt ] [ ly ] [ ma ] [ map ] [ mapping ] [ mo ] [ mod ] [ module ] [ mp ] [ na ] [ nc ] [ nf ] [ ng ] [ ni ] [ no ] [ ns ] [ om ] [ pa ] [ parent ] [ parentheses ] [ pe ] [ ph ] [ ping ] [ pl ] [ ply ] [ pr ] [ query ] [ rc ] [ re ] [ ru ] [ S ] [ SC ] [ SCI ] [ se ] [ si ] [ so ] [ spec ] [ st ] [ struct ] [ T ] [ th ] [ to ] [ tr ] [ tree ] [ tt ] [ va ] [ ve ]