diff --git a/doc/rst/source/proj-codes.rst_ b/doc/rst/source/proj-codes.rst_
index cfd4ab4a2dd..d97e1ff20df 100644
--- a/doc/rst/source/proj-codes.rst_
+++ b/doc/rst/source/proj-codes.rst_
@@ -8,141 +8,108 @@
 .. |latp| replace:: lat\ :sub:`p`
 
 .. list-table::
-   :widths: 40 10 10 40
+   :widths: 40 10 40
    :header-rows: 2
 
    * - Projection
      - GMT CODES
-     - PROJ CODES
      - Parameters
    * -
      - **-J** (*scale*\|\ *WIDTH*);
-     - **-J** (*scale*)
      -
    * - :ref:`Lambert azimuthal equal area <-Ja>`
      - **-Ja**\|\ **A**
-     - **-Jlaea/**
      - |lon0|/|lat0|\ [/\ *horizon*]/\ *scale*\|\ *width*
    * - :ref:`Albers conic equal area <-Jb>`
      - **-Jb**\|\ **B**
-     - **-Jaea/**
      - |lon0|/|lat0|/|lat1|/|lat2|/\ *scale*\|\ *width*
    * - :ref:`Cassini cylindrical <-Jc>`
      - **-Jc**\|\ **C**
-     - **-Jcass/**
      - |lon0|/|lat0|/\ *scale*\|\ *width*
    * - :ref:`Cylindrical stereographic <-Jcyl_stere>`
      - **-Jcyl_stere**\|\ **Cyc_stere**
-     - **-Jcyl_stere/**
      - [|lon0|\ [/|lat0|]/]\ *scale*\|\ *width*
    * - :ref:`Equidistant conic <-Jd>`
      - **-Jd**\|\ **D**
-     - **-Jeqdc/**
      - |lon0|/|lat0|/|lat1|/|lat2|/\ *scale*\|\ *width*
    * - :ref:`Azimuthal equidistant <-Je>`
      - **-Je**\|\ **E**
-     - **-Jaeqd/**
      - |lon0|/|lat0|\ [/\ *horizon*]/\ *scale*\|\ *width*
    * - :ref:`Azimuthal gnomonic <-Jf>`
      - **-Jf**\|\ **F**
-     - **-Jgnom/**
      - |lon0|/|lat0|\ [/\ *horizon*]/\ *scale*\|\ *width*
    * - :ref:`Azimuthal orthographic <-Jg>`
      - **-Jg**\|\ **G**
-     - **-Jortho/**
      - |lon0|/|lat0|\ [/\ *horizon*]/\ *scale*\|\ *width*
    * - :ref:`General perspective <-Jg_pers>`
      - **-Jg**\|\ **G**
-     - **-Jnsper/**
      - |lon0|/|lat0|\ */*\ *scale*\|\ *width*\ [**+a**\ *azimuth*][**+t**\ *tilt*][**+v**\ *vwidth/vheight*][**+w**\ *twist*][**+z**\ *altitude*\ [**r**\|\ **R**]\|\ **g**]
    * - :ref:`Hammer equal area <-Jh>`
      - **-Jh**\|\ **H**
-     - **-Jhammer/**
      - [|lon0|/]\ *scale*\|\ *width*
    * - :ref:`Sinusoidal equal area <-Ji>`
      - **-Ji**\|\ **I**
-     - **-Jsinu/**
      - [|lon0|/]\ *scale*\|\ *width*
    * - :ref:`Miller cylindrical <-Jj>`
      - **-Jj**\|\ **J**
-     - **-Jmill/**
      - [|lon0|/]\ *scale*\|\ *width*
    * - :ref:`Eckert IV equal area <-Jk>`
      - **-Jkf**\|\ **Kf**
-     - **-Jeck4/**
      - [|lon0|/]\ *scale*\|\ *width*
    * - :ref:`Eckert VI equal area <-Jk>`
      - **-Jks**\|\ **Ks**
-     - **-Jeck6/**
      - [|lon0|/]\ *scale*\|\ *width*
    * - :ref:`Lambert conic conformal <-Jl>`
      - **-Jl**\|\ **L**
-     - **-Jlcc/**
      - |lon0|/|lat0|/|lat1|/|lat2|/\ *scale*\|\ *width*
    * - :ref:`Mercator cylindrical <-Jm>`
      - **-Jm**\|\ **M**
-     - **-Jmerc/**
      - [|lon0|/\ [|lat0|/]]\ *scale*\|\ *width*
    * - :ref:`Robinson <-Jn>`
      - **-Jn**\|\ **N**
-     - **-Jrobin/**
      - [|lon0|/]\ *scale*\|\ *width*
    * - :ref:`Oblique Mercator, 1: origin and azim <-Jo>`
      - **-Jo**\|\ **O**\ **a**\|\ **A**
-     - **-Jomerc/**
      - |lon0|/|lat0|/\ *azim*/*scale*\|\ *width*\ [**+v**]
    * - :ref:`Oblique Mercator, 2: two points <-Jo>`
      - **-Jo**\|\ **O**\ **b**\|\ **B**
-     - **-Jomerc/**
      - |lon0|/|lat0|/|lon1|/|lat1|/\ *scale*\|\ *width*\ [**+v**]
    * - :ref:`Oblique Mercator, 3: origin and pole <-Jo>`
      - **-Jo**\|\ **O**\ **c**\|\ **C**
-     - **-Jomercp/**
      - |lon0|/|lat0|/|lonp|/|latp|/\ *scale*\|\ *width*\ [**+v**]
    * - :ref:`Polar [azimuthal] <-Jp>`  (:math:`\theta, r`) (or cylindrical)
      - **-Jp**\|\ **P**
-     - **-Jpolar/**
      - *scale*\|\ *width*\ [**+a**]\ [**+f**\ [**e**\|\ **p**\|\ *radius*]]\ [**+k**\ *kind*]\
        [**+r**\ *offset*][**+t**\ *origin*][**+z**\ [**p**\|\ *radius*]]
    * - :ref:`(American) polyconic <-Jpoly>` 
      - **-Jpoly**\|\ **Poly**
-     - **-Jpoly/**
      - [|lon0|/\ [|lat0|/]]\ *scale*\|\ *width*
    * - :ref:`Equidistant cylindrical <-Jq>`
      - **-Jq**\|\ **Q**
-     - **-Jeqc/**
      - [|lon0|/\ [|lat0|/]]\ *scale*\|\ *width*
    * - :ref:`Winkel Tripel <-Jr>`
      - **-Jr**\|\ **R**
-     - **-Jwintri/**
      - [|lon0|/]\ *scale*\|\ *width*
    * - :ref:`General stereographic <-Js>`
      - **-Js**\|\ **S**
-     - **-Jstere/**
      - |lon0|/|lat0|\ [/\ *horizon*]/\ *scale*\|\ *width*
    * - :ref:`Transverse Mercator <-Jt>`
      - **-Jt**\|\ **T**
-     - **-Jtmerc/**
      - [|lon0|/\ [|lat0|/]]\ *scale*\|\ *width*
    * - :ref:`Universal Transverse Mercator (UTM) <-Ju>`
      - **-Ju**\|\ **U**
-     - **-Jutm/**
      - *zone*/*scale*\|\ *width*
    * - :ref:`Van der Grinten <-Jv>`
      - **-Jv**\|\ **V**
-     - **-Jvandg/**
      - [|lon0|/]\ *scale*\|\ *width*
    * - :ref:`Mollweide <-Jw>`
      - **-Jw**\|\ **W**
-     - **-Jmoll/**
      - [|lon0|/]\ *scale*\|\ *width*
    * - :ref:`Linear <-Jx_linear>`, :ref:`logarithmic <-Jx_log>`,
        :ref:`power <-Jx_power>`, and :ref:`time <-Jx_time>`
      - **-Jx**\|\ **X**
-     - **-Jxy**
      - *xscale*\|\ *width*\ [**l**\|\ **p**\ *power*\|\ **T**\|\ **t**]\
        [/\ *yscale*\|\ *height*\ [**l**\|\ **p**\ *power*\|\ **T**\|\ **t**]][**d**]
    * - :ref:`Cylindrical equal area <-Jy>`
      - **-Jy**\|\ **Y**
-     - **-Jcea/**
      - |lon0|/|lat0|/\ *scale*\|\ *width*