Cross reference for pm/er_PM_errors.h of index.

# File pm/er_PM_errors.h

      $Revision: 1.2 $

      Radix tree (rx).  er_PM_errors.h - definition of errors for the radix module

      Status: NOT REVUED, TESTED,

      Design and implementation by: Andrei Robachevsky

## Preprocessor definitions

`#define PM_OK`

`#define PM_BADINP`

`#define PM_INVRANG`

`#define PM_UKNSRC`

`#define PM_NOSQLC`

`#define PM_NOSERN`

## Typedef PM_err_code_t

`typedef enum {...} PM_err_code_t`

`enum` |
`{` |
`LOW_PM_OK;` |
`LOW_PM_BADINP;` |
`LOW_PM_INVRANG;` |
`LOW_PM_UKNSRC;` |
`LOW_PM_NOSQLC;` |
`LOW_PM_NOSERN;` |
`}` |