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====== e ======

**[//exclude// #ex1 #ex2]...**

Excludes an x-axis region between #ex1 and #ex2. The macro "Exclude" simplifies the use of //exclude//. Example CEO2.INP demonstrates the use of excluded regions.

**[//exp_conv_const// E  [//exp_limit// E] ]...**

Defines //e//<sub>m</sub> in the convolution function:

Exp(Ln(0.001) //e / e//<sub>m</sub> )    for //e// = 0 to //exp_limit //

that is convoluted into phase peaks. //exp_conv_const// is used by the Absorption and Absorption_With_Sample_Thickness_mm macros. If //exp_limit// is not defined then it defaults to //e//<sub>m</sub>. //e//<sub>m</sub> can be greater than or less than zero.

**[//extra_X_left// !E]  [//extra_X_right// !E]**

Determines the extra range to which hkls are generated. For TOF data //extra_X_left// is typically used. For x-ray data then //extra_X_right// is typically used. Both default to 0.5.