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-rw-r--r--stdlib/source/program/licentia/license/commercial.lux30
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diff --git a/stdlib/source/program/licentia/license/commercial.lux b/stdlib/source/program/licentia/license/commercial.lux
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+(.module:
+ [lux #*
+ [data
+ ["." text
+ format]
+ [collection
+ [list ("list/." monoid)]]]]
+ ["." // (#+ Commercial)
+ ["_" term]
+ [//
+ ["$" document]]])
+
+(def: #export cannot-sell
+ (let [preamble (format "Without limiting other conditions in " _.license)
+ condition (format "the grant of rights under " _.license
+ " will not include, and " _.license
+ " does not grant to " _.recipient
+ ", the right to " _.sell " " _.work)]
+ ($.sentence (format preamble ", " condition))))
+
+(def: #export require-contributor-attribution
+ ($.sentence (format "All advertising materials mentioning features or use of " _.work
+ " must include an acknowledgement of the authorship of every " _.contributor)))
+
+(def: #export disallow-contributor-endorsement
+ (let [subject (format "The name of no " _.contributor)
+ capability "endorse or promote products"
+ source (format "any " _.extension)
+ condition "specific prior written permission"]
+ ($.sentence (format subject " may be used to " capability " derived from " source " without " condition))))