corr listing: \? -> \h

TODO

@@ -3,7 +3,6 @@
 - coord name algebra
 - convolutand must not be defined over full energy range
 - we need kww with double precision, period.
-- check error bars in PS log graph; keep them inside frame
 - \i history does not work, not even for simplest examples
 
 == TO CHECK ==
@@ -16,7 +15,6 @@
 == WISHLIST: TODO ==
 
 - user interface
-  - 'hf' add explanation (formulae)
   - 'gp!' <filename> ?
   - 'dp' output for #spec>1 is obfuscated
   - expressions should have access to file-wide parameters

pub/src/commands.cpp

@@ -58,7 +58,7 @@ bool fridaCommand( string cmd )
             "  r    raw data read in (currently only for SPHERES)\n"
             "  _    special / temporary commands\n"
             "More help:\n"
-            "  \\?   help on meta commands and macros\n"
+            "  \\h   help on meta commands and macros\n"
             "  hf   math operators and functions\n"
             ;