Lua: add new function pandoc.system.cputime.

The function returns the CPU time consumed by pandoc and can be used to
benchmark Lua computations.

1 files changed, 10 insertions, 0 deletions

diff --git a/doc/lua-filters.md b/doc/lua-filters.md
index 4309f5cf1..efaeb6343 100644
--- a/doc/lua-filters.md
+++ b/doc/lua-filters.md
@@ -4890,6 +4890,16 @@ The operating system on which the program is running.
 
 ## Functions
 
+### cputime {#pandoc.system.cputime}
+
+`cputime ()`
+
+Returns the number of picoseconds CPU time used by the current
+program. The precision of this result may vary in different
+versions and on different platforms.
+
+*Since*: 3.1.1
+
 ### environment {#pandoc.system.environment}
 
 `environment ()`