Add spkg to spkg names

Author: kwankyu

src/sage/databases/cunningham_tables.py

@@ -5,7 +5,7 @@
 numbers occurring in the factorization of numbers of type `b^n+1` or `b^n-1`
 with `b \in \{2,3,5,6,7,10,11,12\}`. For an introduction to Cunningham prime
 factors, see :wikipedia:`Cunningham_Project`. The data becomes available if you
-install the optional :ref:`cunningham_tables <cunningham_tables>` package by
+install the optional :ref:`cunningham_tables <spkg_cunningham_tables>` package by
 the command ::
 
     sage -i cunningham_tables

src/sage/databases/db_class_polynomials.py

@@ -3,7 +3,7 @@
 
 This module gives access to the database of Hilbert class polynomials. To use
 the database, you need to install the optional :ref:`database_kohel
-<database_kohel>` package by the Sage command ::
+<spkg_database_kohel>` package by the Sage command ::
 
     sage -i database_kohel
 

src/sage/databases/db_modular_polynomials.py

@@ -3,7 +3,7 @@
 
 This module gives access to the database of modular polynomials. To use the
 database, you need to install the optional :ref:`database_kohel
-<database_kohel>` package by the Sage command ::
+<spkg_database_kohel>` package by the Sage command ::
 
     sage -i database_kohel
 

src/sage/databases/jones.py

@@ -2,7 +2,7 @@
 John Jones's tables of number fields
 
 In order to use the Jones database, the optional :ref:`database_jones_numfield
-<database_jones_numfield>` package must be installed using the Sage command ::
+<spkg_database_jones_numfield>` package must be installed using the Sage command ::
 
     sage -i database_jones_numfield
 

src/sage/databases/knotinfo_db.py

@@ -8,7 +8,7 @@
 `LinkInfo <https://linkinfo.sitehost.iu.edu>`__.
 
 To use the database, you need to install the optional :ref:`database_knotinfo
-<database_knotinfo>` package by the Sage command ::
+<spkg_database_knotinfo>` package by the Sage command ::
 
     sage -i database_knotinfo
 

src/sage/databases/odlyzko.py

@@ -3,7 +3,7 @@
 
 The main access function to the database of the zeros of the Riemann zeta
 function is :func:`zeta_zeros`. In order to use ``zeta_zeros()``, you need to
-install the optional :ref:`database_odlyzko_zeta <database_odlyzko_zeta>`
+install the optional :ref:`database_odlyzko_zeta <spkg_database_odlyzko_zeta>`
 package::
 
     sage -i database_odlyzko_zeta

src/sage/databases/symbolic_data.py

@@ -32,7 +32,7 @@
     development.
 
 In order to use this dataset, you need to install the optional
-:ref:`database_symbolic_data <database_symbolic_data>` package by the Sage
+:ref:`database_symbolic_data <spkg_database_symbolic_data>` package by the Sage
 command ::
 
     sage -i database_symbolic_data