Add categories L, R, SPC and . to `rx' doc string

* lisp/emacs-lisp/rx.el (rx): Add new categories to doc string.

1 files changed, 5 insertions, 1 deletions

diff --git a/lisp/emacs-lisp/rx.el b/lisp/emacs-lisp/rx.el
index c0a5d52788b..b2299030a1b 100644
--- a/lisp/emacs-lisp/rx.el
+++ b/lisp/emacs-lisp/rx.el
@@ -1056,7 +1056,9 @@ CHAR
      matches a character with category CATEGORY.  CATEGORY must be
      either a character to use for C, or one of the following symbols.
 
-     `consonant'                        (\\c0 in string notation)
+     `space-for-indent'                 (\\c\\s in string notation)
+     `base'                             (\\c.)
+     `consonant'                        (\\c0)
      `base-vowel'                       (\\c1)
      `upper-diacritical-mark'           (\\c2)
      `lower-diacritical-mark'           (\\c3)
@@ -1074,7 +1076,9 @@ CHAR
      `japanese-hiragana-two-byte'       (\\cH)
      `indian-two-byte'                  (\\cI)
      `japanese-katakana-two-byte'       (\\cK)
+     `strong-left-to-right'             (\\cL)
      `korean-hangul-two-byte'           (\\cN)
+     `strong-right-to-left'             (\\cR)
      `cyrillic-two-byte'                (\\cY)
      `combining-diacritic'              (\\c^)
      `ascii'                            (\\ca)