makegobbler – Keep or drop some part of LaTeX source code

The makegobbler package provides a mechanism to selectively drop (gobble) or keep (“ungobble”) portions of LaTeX source code, either conditionally or unconditionally. The affected code is delimited by user-defined control sequences that act as explicit markers.

For example, you can define a conditional as follows: \newif\ifkeep

You can then make a portion of the source conditional like this: \keepfalse \MGBkeep*\ifkeep\SomeArbitraryDelimitingControlSequence Here, everything — including \fi#!{}_^$ — is dropped. \SomeArbitraryDelimitingControlSequence

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