Moved reader files to subdirectory.
Beginning of simple reader.
More conditions.
Sharpsign single quote and sharpsign left parenthesis.
Sharpsign dot, *read-eval*, and additional condition.
Bug fix.
Don't shadow *read-eval*.  More comments.
Move variables that affect the reader to a separete file.
Reader macro for sharpsign backslash and new additional condition.
Handle dispatch macro characters.
Fix bug in copy-readtable.
Initialize more reader macros.
Reader macro for sharpsign-b.
Reorganized specialized variables.
More general condition.
Bug fixes.
Macros for #B #X and #O.
Use function NAMES instead of functions.
Change name of condition.
Code factoring and reader macro for #R.