Opened 7 years ago

Closed 5 years ago

#97 closed defect (fixed)

syntax-rules special literals

Reported by: alexshinn Owned by: alexshinn
Priority: major Milestone:
Component: WG1 - Macros Keywords:
Cc:

Description

... and with the result of #6 also _ have special meaning
in syntax-rules patterns, so they are not treated as pattern
variables by default.

However their behavior when used in the literals list of
syntax-rules is ambiguous, and simply breaks in most implementations.

Rather than breaking, it makes sense to go ahead and treat
them as normal literals, overriding their special meanings.

In particular, there are many existing R5RS macros which
make use of _ in the literals and are thus broken outright
by #6. Allowing them as literals fixes these macros.

Change History (6)

comment:1 Changed 7 years ago by cowan

  • Resolution set to fixed
  • Status changed from new to closed

WG1 chose to make them literals.

comment:2 Changed 7 years ago by alexshinn

  • Resolution fixed deleted
  • Status changed from closed to reopened

comment:3 Changed 7 years ago by alexshinn

  • Owner alexshinn deleted
  • Status changed from reopened to assigned

comment:4 Changed 7 years ago by alexshinn

  • Status changed from assigned to decided

comment:5 Changed 6 years ago by alexshinn

  • Owner set to alexshinn
  • Status changed from decided to writing

comment:6 Changed 5 years ago by cowan

  • Resolution set to fixed
  • Status changed from writing to closed
Note: See TracTickets for help on using tickets.