Merge pull request #444 from stan-dev/fix-release-add-all-untracked-files

Revert removing _modules, _sources dir from docs/, improve copying behavior on code examples

Author: serban-nicusor-toptal

docsrc/Makefile

@@ -22,8 +22,6 @@ github:
 	@make html
 	@rm -rf ../docs/*
 	@cp -r _build/html/* ../docs
-	@rm -rf ../docs/_modules
-	@rm -rf ../docs/_sources
 
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).

docsrc/conf.py

@@ -439,3 +439,7 @@ def emit(self, record):
 #     'reference_url': {
 #         'skltemplate': None}
 # }
+
+#  Makes the copying behavior on code examples cleaner by removing things like In [10]: from the text to be copied
+copybutton_prompt_text = r">>> |\.\.\. |\$ |In \[\d*\]: | {2,5}\.\.\.: | {5,8}: "
+copybutton_prompt_is_regexp = True