hgrc.5: document use of environment variables on Windows
This feature was introduced in c31ac3f7fd8f
--- a/doc/hgrc.5.txt Mon Feb 15 22:39:36 2010 +0100
+++ b/doc/hgrc.5.txt Mon Feb 15 20:28:42 2010 -0600
@@ -431,7 +431,8 @@
The priority in which to evaluate this tool.
Default: 0.
``executable``
- Either just the name of the executable or its pathname.
+ Either just the name of the executable or its pathname. On Windows,
+ the path can use environment variables with ${ProgramFiles} syntax.
Default: the tool name.
``args``
The arguments to pass to the tool executable. You can refer to the