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| author | Kaz Kylheku <kaz@kylheku.com> | 2016-10-14 21:59:10 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2016-10-14 21:59:10 -0700 |
| commit | 40c04a853c6e4f880d1d3073b499d58f79b8417d (patch) | |
| tree | 260e764098704520fb61979a12f25fd50b5850f7 /txr.1 | |
| parent | fb2013cc76b1c50009a2d8656ed8e74f2940fa10 (diff) | |
| download | txr-40c04a853c6e4f880d1d3073b499d58f79b8417d.tar.gz txr-40c04a853c6e4f880d1d3073b499d58f79b8417d.tar.bz2 txr-40c04a853c6e4f880d1d3073b499d58f79b8417d.zip | |
doc: defsymacro rewording.
* txr.1: Updating awkward wording, beginning with clumsy
two-clause sentence joined by a colon.
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 20 |
1 files changed, 12 insertions, 8 deletions
@@ -26456,16 +26456,20 @@ namespace established by .desc A .code defsymacro -form introduces a symbol macro: a symbol macro is a parameterless -substitution keyed to a symbol. In contexts where a symbol macro -definition of +form introduces a symbol macro. A symbol macro consists of a binding +between a symbol +.meta sym +and and a +.metn form . +The binding denotes the form itself, rather than its value. How the +symbol macro works is that if .meta sym -is visible, if the form +occurs as a form in a scope where the symbol macro definition is +in scope, .meta sym -appears such that its evaluation is called for, it is subject -to replacement by +is replaced by .metn form . -After replacement takes place, +Immediately after this replacement takes place, .meta form itself is then processed for further replacement of macros and symbol macros. @@ -26497,7 +26501,7 @@ then first removes that variable from the global environment, and if that variable is special, the symbol's special marking is removed. .code defsymacro -doesn't alter a dynamic binding of a special variable. Any such +doesn't alter the dynamic binding of a special variable. Any such a binding remains intact. If .code defsymacro |