13. The system of claim 12 , wherein the operations caused by the translator further comprise: processing a qualified mnemonic in the computer program comprising the mnemonic and a qualification character; interpreting the qualified mnemonic according to the user defined definition for the mnemonic in response to a last processed qualifier command comprising a first qualifier command associating the qualification character with the user defined definition; and interpreting the qualified mnemonic according to the translator definition for the mnemonic in response to the last processed qualifier command comprising a second qualifier command associating the qualification character with the translator definition.
12. A system for translating statements in a computer program, comprising: a processor; a computer readable storage device including a translator executed by the processor to perform operations, the operations comprising: processing a mnemonic in the computer program having a user defined definition and a translator definition; processing a first mnemonic command specifying the mnemonic and the user defined definition; interpreting the mnemonic in the first mnemonic command according to the user defined definition in response to a first interpretation setting provided when the first mnemonic command was last processed specifying the mnemonic and the user defined definition; processing a second mnemonic command specifying the mnemonic and the translator definition after interpreting the mnemonic according to the user defined definition; interpreting the mnemonic in the second mnemonic command according to the translator definition in response to a second interpretation setting provided when the second mnemonic command was last processed specifying the mnemonic and the translator definition; updating a global flag in a mnemonic table for the mnemonic indicating to interpret the mnemonic with the user defined or translator definition specified in a global mnemonic command having global scope in response to processing the global mnemonic command; and updating a local flag in the mnemonic table for the mnemonic indicating to interpret the mnemonic with the user defined or translator definition specified in a local mnemonic command having local scope in response to processing the local mnemonic command, wherein the local interpretation overrides the global interpretation indicated by the global flag.