diff --git a/make/defs.mk b/make/defs.mk
index e9c5aee7..42c94c1d 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -32,6 +32,7 @@ endif
 SED                    = sed
 CAT                    = /bin/cat
 SHELL                 ?= /bin/bash
+BROWSER               ?= firefox
 
 # ----- standard variables
 ifeq ($(PROJECT),)
@@ -157,7 +158,12 @@ PROJECT_CPPFLAGS      += -fPIC
 PROJECT_LDFLAGS       +=
 endif
 
-FULL_NAME              = $(shell id -nu | xargs getent passwd | cut -d: -f5)
+JANWARE_USER          ?= $(shell id -un)
+JANWARE_CLIENT        ?= jw
+JANWARE_WIKI          ?= $(JANWARE_CLIENT)
+JANWARE_DOC_URL       ?= https://janware.com/wiki/$(JANWARE_WIKI)/assets:types:data:sw:$(PROJECT):$(notdir $(shell pwd))
+
+FULL_NAME             ?= $(shell id -nu | xargs getent passwd | cut -d: -f5)
 DEVELOPMENT           ?= $(shell echo $(VERSION) | grep -q 'dev' && echo true)
 USE_PROJECT_LIB       ?= true
 EXPORT_PROJECT_LIB    ?= $(USE_PROJECT_LIB)
@@ -1060,5 +1066,8 @@ echo-vars:
 echo-makefiles:
 	strace -f make nothing 2>&1 | sed '/open(.*\(Makefile\|\.mk\)/ !d; s/.*open("//; s/", O_.*//'
 
+view-doc:
+	$(BROWSER) $(JANWARE_DOC_URL)
+
 endif