+ * ido.el (ido-enable-prefix)
+ * ses.el (ses-call-printer-return)
+ * net/tramp.el (tramp-unified-filenames)
+ * progmodes/cc-align.el (c-lineup-string-cont)
+ * progmodes/compile.el (compilation-directory-matcher)
+ * progmodes/ebnf2ps.el (ebnf-stop-on-error)
+ * progmodes/gdb-ui.el (gdb-many-windows)
+ * progmodes/vhdl-mode.el (vhdl-reset-active-high)
+ (vhdl-clock-rising-edge)
+ * textmodes/org.el (org-export-with-timestamps)
+ (org-export-remove-timestamps-from-toc, org-export-with-tags)
+ (org-read-date): Doc fix (Nil -> nil).
+