$ sudo apt-get update
$ sudo apt-get install geany-plugin-macro 

geany-plugin-macro is installed in your system.

Make ensure the geany-plugin-macro package were installed using the commands given below,

$ sudo dpkg-query -l | grep geany-plugin-macro *

You will get with geany-plugin-macro package name, version, architecture and description in a table

geany-plugin-macro package basic information: