add infotext entry for emphasis; put emphasis into a separate file, add an option to parse but still ignore emphasis

modules/processing.py

@@ -455,6 +455,7 @@ class StableDiffusionProcessing:
             self.height,
             opts.fp8_storage,
             opts.cache_fp16_weight,
+            opts.emphasis,
         )
 
     def get_conds_with_caching(self, function, required_prompts, steps, caches, extra_network_data, hires_steps=None):