diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 11 |
1 files changed, 6 insertions, 5 deletions
@@ -31871,11 +31871,12 @@ is installed. Note: there is no need to use the value of this variable to load library modules. Library modules are keyed to specific symbols, and lazily loaded. When a \*(TL library function, macro or variable is referenced for the first time, -the library module which defines it is loaded. This automatic loading happens -during the code expansion phase, or "macro time", so it works for macros. In -the middle of a syntax tree of code, code expander can encounters a symbol -which triggers a library load which defines a macro. When that load completes, -the code expander can expand that macro using the newly created definition. +the library module which defines it is loaded. This includes references +which occur during the code expansion phase, at "macro time", so it works for +macros. In the middle of processing a syntax tree, the expander may encounter a +symbol that is registered for auto-loading, and trigger the load. When the load +completes, the symbol might now be defined as a macro, which the expander +can immediately use to expand the given form that is being traversed. .coNP Macro @ load .synb |