26. The article of manufacture of claim 25 , wherein the operations further comprise: interpreting the mnemonic according to the user defined definition in response to previously processing a local mnemonic command specifying the mnemonic and the user defined definition, wherein the local mnemonic command specifying the user defined definition overrides any previous mnemonic command of global scope specifying the mnemonic and the translator definition; and interpreting the mnemonic according to the translator definition in response to previously processing a local mnemonic command specifying the mnemonic and the translator definition, wherein the local mnemonic command specifying the translator definition overrides any previous mnemonic command of global scope specifying the mnemonic and the user defined definition.
26. The article of manufacture of claim 25 , wherein the operations further comprise: interpreting the mnemonic according to the user defined definition in response to previously processing a local mnemonic command specifying the mnemonic and the user defined definition, wherein the local mnemonic command specifying the user defined definition overrides any previous mnemonic command of global scope specifying the mnemonic and the translator definition; and interpreting the mnemonic according to the translator definition in response to previously processing a local mnemonic command specifying the mnemonic and the translator definition, wherein the local mnemonic command specifying the translator definition overrides any previous mnemonic command of global scope specifying the mnemonic and the user defined definition. 27. The article of manufacture of claim 26 , wherein the mnemonic is interpreted and the local mnemonic command is processed within a macro defining a mnemonic and wherein the scope of the processed local mnemonic command applies to instances of the mnemonic within the macro.