--- a/Makefile	Fri Jan 14 10:45:17 2022 +0100
+++ b/Makefile	Fri Jan 14 11:33:25 2022 +0100
@@ -1,16 +1,29 @@
-JULIA=julia --startup-file=no
+JULIA_DEFAULT=julia --startup-file=no
+JULIA?=$(JULIA_DEFAULT)
+
+# Set the default browser
+WHICH_XDG_OPEN=$(shell which xdg-open)
+WHICH_OPEN=$(shell which open)
+BROWSER_DEFAULT  = $(if $(WHICH_XDG_OPEN), xdg-open)
+BROWSER_DEFAULT := $(if $(BROWSER_DEFAULT), $(BROWSER_DEFAULT), open)
+BROWSER?=$(BROWSER_DEFAULT)
 
 help:
 	@echo 'Targets:'
 	@echo '    help        - Show this help.'
 	@echo '    docs        - Generate docs for webserver deployment.'
 	@echo '    localdocs   - Generate docs for local viewing.'
+	@echo '    opendocs    - Open documentation in the browser.'
 	@echo ''
 	@echo 'Variables:'
 	@echo '    JULIA       - Controls which command is used to run julia'
+	@echo '                  Default $(JULIA_DEFAULT)'
+	@echo '    BROWSER     - Sets the command for how to open html files'
+	@echo '                  Default: xdg-open if it exists otherwise open'
 	@echo ''
 	@echo 'Variables can be set on the commandline using the -e flag for make, e.g.'
 	@echo '    make localdocs -e JULIA=path/to/julia'
+	@echo 'or as shell environment variables.'
 
 docs:
 	$(JULIA) --project=docs docs/make.jl --prettyurls
@@ -18,7 +31,14 @@
 localdocs:
 	$(JULIA) --project=docs docs/make.jl
 
+opendocs:
+	$(BROWSER) docs/build/index.html
+
 clean:
 	rm -r docs/build
 
-.PHONY: help docs docs-local clean
+.PHONY: help docs localdocs opendocs clean
+
+# TODO:
+# Make a real target for docs/build
+# Possibly store the local and nonlocal in different build folders