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Use case: User goes to Project Properties -> Build and selects "Modify PATH variable" At that point it's not clear: how to modify? How is it modified right now? Solution: Add a "..." button to the property sheet, which opens a Path Variable Editor.
Fixed in: https://hg.netbeans.org/cnd-main/rev/5a0142ff7c58
Integrated into 'main-silver', will be available in build *201608020002* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-silver/rev/5a0142ff7c58 User: Ilia Gromov <ilia@netbeans.org> Log: fixed #267250 - Provide a convenient way to navigate to $PATH variable editor from project properties
IMO it would be better to change the button name in Tools-Options-C/C++ from "$PATH" to "Paths".