c_gtk_source_buffer_create_source_mark

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
GtkSourceMark* function(GtkSourceBuffer* buffer, const(char)* name, const(char)* category, GtkTextIter* where) c_gtk_source_buffer_create_source_mark;

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