Library calls should use section 3 (unlike Programs that use section 1).
* doc/gc.man (TH GC_MALLOC): Change section number from 1L to 3.
-.TH GC_MALLOC 1L "2 October 2003"
+.TH GC_MALLOC 3 "2 October 2003"
.SH NAME
GC_malloc, GC_malloc_atomic, GC_free, GC_realloc, GC_enable_incremental, GC_register_finalizer, GC_malloc_ignore_off_page, GC_malloc_atomic_ignore_off_page, GC_set_warn_proc \- Garbage collecting malloc replacement
.SH SYNOPSIS