little fix for `maxima-mode' and `inferior-maxima-mode'

[Andrea Russo]

Hi,

Here is a patch that makes `maxima-mode' and `inferior-maxima-mode' help
commands work for functions and variables with numbers in the name.

With this, commands like `info-lookup-symbol' spots maxima functions
in the info manual named like `plot2d' or `resolvante_klein3'.

Regards,
Andrea.

--- orig/lisp/info-look.el
+++ mod/lisp/info-look.el
@@ -843,12 +843,13 @@
 (info-lookup-maybe-add-help
  :mode 'maxima-mode
  :ignore-case t
- :regexp "[a-zA-Z_%]+"
+ :regexp "[a-zA-Z0-9_%]+"
  :doc-spec '( ("(maxima)Function and Variable Index" nil
               "^ -+ [^:]+:[ ]+\\(\\[[^=]*=[ ]+\\)?" nil)))
 
 (info-lookup-maybe-add-help
  :mode 'inferior-maxima-mode
+ :regexp "[a-zA-Z0-9_%]+"
  :other-modes '(maxima-mode))
 
 ;; coreutils and bash builtins overlap in places, eg. printf, so there's a


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