Associates a #GtkSourceLanguage with the buffer.
Note that a #GtkSourceLanguage affects not only the syntax highlighting, but also the [context classes][context-classes]. If you want to disable just the syntax highlighting, see gtk_source_buffer_set_highlight_syntax().
The buffer holds a reference to @language.
a #GtkSourceLanguage to set, or %NULL.
See Implementation
Associates a #GtkSourceLanguage with the buffer.
Note that a #GtkSourceLanguage affects not only the syntax highlighting, but also the [context classes][context-classes]. If you want to disable just the syntax highlighting, see gtk_source_buffer_set_highlight_syntax().
The buffer holds a reference to @language.