Internal doc changes for C stack depth options

doc/feature-options.rst

@@ -231,6 +231,9 @@ use a deep C stack which relaxes e.g. recursion limits.  Automatic feature
 detection enables deep C stacks on some platforms known to have them (e.g.
 Linux, BSD, Windows).
 
+Removed in Duktape 1.3.0, use explicit config options for shallow stack
+targets.
+
 DUK_OPT_NO_REFERENCE_COUNTING
 -----------------------------
 

doc/low-memory.rst

@@ -69,6 +69,11 @@ Suggested feature options
   increases heap header size, it also reduces memory usage fluctuation
   which is often more important than absolute footprint.
 
+* If the target has a shallow C stack, you may want to limit C stack
+  recursion, see:
+
+  - ``config/examples/shallow_c_stack.yaml``
+
 * Reduce error handling footprint with one or more of:
 
   - ``DUK_OPT_NO_AUGMENT_ERRORS``

doc/regexp.rst

@@ -292,7 +292,7 @@ Regexp compiler
 
 C recursion depth limit
   The compiler imposes an artificial limit on C recursion depth
-  (``DUK_RE_COMPILE_RECURSION_LIMIT`` by default).  If the recursion limit
+  (``DUK_USE_REGEXP_COMPILER_RECLIMIT``).  If the recursion limit
   is reached, regexp compilation fails with an (internal) error.
 
   The following constructs increase C recursion depth:
@@ -323,7 +323,7 @@ Regexp executor
 
 C recursion depth limit
   The executor imposes an artificial limit on C recursion depth
-  (``DUK_RE_EXECUTE_RECURSION_LIMIT`` by default).  If the recursion limit
+  (``DUK_USE_REGEXP_EXECUTOR_RECLIMIT``).  If the recursion limit
   is reached, regexp matching fails with an (internal) error.
   The following constructs increase C recursion depth: