Add support for wpg format using app-text/libwpg

Packages describing “wpg” as local USE flag

Package “wpg” Flag Description
app-text/writerperfect Add support for wpg format using app-text/libwpg
media-gfx/inkscape Enable support for WordPerfect graphics via app-text/libwpg

All packages providing a “wpg” USE flag (1)