--- a/.hgignore
+++ b/.hgignore
@@ -7,6 +7,7 @@ src/xxd/xxd
 src/auto/if_perl.c
 src/auto/gui_gtk_gresources.c
 src/auto/gui_gtk_gresources.h
+src/objects/.dirstamp
 src/tags
 
 # We do need src/auto/configure.
@@ -57,6 +58,8 @@ nbproject/*
 src/xxd/xxd.dSYM
 
 # All platforms
+runtime/doc/tags
+src/objects
 *.rej
 *.orig
 *.mo
@@ -84,3 +87,15 @@ src/json_test
 src/message_test
 src/kword_test
 src/memfile_test
+
+# shadow directories
+# the directory names could be anything but we restrict them
+# to shadow (the default) or shadow-*
+src/shadow
+src/shadow-*
+# src/runtime and src/pixmaps are softlinks needed for proper 'make install'
+# when in a shadow directory
+src/runtime
+src/pixmaps
+# avoid tracking cscope.out even if built here
+src/cscope.out