Reverting alterations introduced in 3dc46203205f89195d29be5cf079f2e31669e77d Moved SCM_NON_CHAR change to theme since it is theme-specific and shouldn't affect all themes.
diff --git a/themes/rainbowbrite/rainbowbrite.theme.bash b/themes/rainbowbrite/rainbowbrite.theme.bash
index 5f91705..e4424bb 100644
--- a/themes/rainbowbrite/rainbowbrite.theme.bash
+++ b/themes/rainbowbrite/rainbowbrite.theme.bash
@@ -20,6 +20,7 @@
 
 PROMPT_COMMAND=prompt_setter
 
+SCM_NONE_CHAR='·'
 SCM_THEME_PROMPT_DIRTY=" ${red}✗"
 SCM_THEME_PROMPT_CLEAN=" ${green}✓"
 SCM_THEME_PROMPT_PREFIX=" ("