MPLAB X Project Properties

[L_Euler]

In MPLAB X under the General tab in Project Properties there is an option to change encoding with dozens of options.  Why and when would I make a selection in that field.  The user manual was not much help.

[mpgmike]

That has to do with how the compiler deals with the structure of your code.  When you choose your compiler (XC8 v2.10 for example), the appropriate ISO- format is assigned automatically.  With the release of MPLABX v5.0 the C based XCx went from C89 to C99 format.  You can choose C90 to use older code (or stay with familiar formatting style), which then will change the ISO- format.  Hope this helps.