replace manhtml with website extlinks

source/cplg.rst

@@ -7,13 +7,13 @@ Coupling
    The ‘Coupling’ chapter needs to be enriched
 
 NEMO currently exploits OASIS-3-MCT (versions 1 to 4) to implement a generalised coupled interface
-(:manhtml:`Coupled Formulation <node50.html>`).
+(:website:`Coupled Formulation </doc/node50.html>`).
 It can be used to interface with most of the European atmospheric GCM
 (ARPEGE, ECHAM, ECMWF, Ha- dAM, HadGAM, LMDz), as well as to regional atmospheric models
 (WRF, COSMO, Meso-NH, AROME).
 To implement the coupling of two independent NEMO components,
 ocean on one hand and sea-ice plus other surface processes on the other hand
-(:manhtml:`Standalone Surface Module - SAS <node46.html>`).
+(:website:`Standalone Surface Module - SAS </doc/node46.html>`).
 
 To enable the OASIS interface the required compilation key is ``key_oasis3``.
 You must also add ``key_oasis3_v1v2`` if you use OASIS-3-MCT version 1 and 2.

source/da.rst

@@ -32,7 +32,7 @@ can be used for validation or verification of model or any other data assimilati
 This is all controlled by the namelist.
 To build with the OBS code active ``key_diaobs`` must be set.
 
-More details in :manhtml:`"Observation and Model Comparison (OBS)" chapter <node83.html>`.
+More details in :website:`"Observation and Model Comparison (OBS)" chapter </doc/node83.html>`.
 
 Standalone observation operator (``SAO``)
 -----------------------------------------
@@ -47,7 +47,7 @@ Then include ``SAO`` at the end of the relevant line in :file:`cfg.txt` file.
 Then recompile with the replacement main program in :file:`./src/SAO`.
 This is a special version of :file:`nemogcm.F90` (which doesn't run the model,
 but reads in the model fields, and observations and runs the OBS code.
-See :manhtml:`"Standalone observation operator (SAO)" section <node88.html>`.
+See :website:`"Standalone observation operator (SAO)" section </doc/node88.html>`.
 
 Apply assimilation increments (``ASM``)
 =======================================
@@ -60,7 +60,7 @@ The code can also output model background fields which are used as an input to d
 This is all controlled by the namelist ``&nam_asminc``.
 To build the ASM code ``key asminc`` must be set.
 
-More details in :manhtml:`"Apply Assimilation Increments (ASM)" chapter <node89.html>`.
+More details in :website:`"Apply Assimilation Increments (ASM)" chapter </doc/node89.html>`.
 
 Tangent linear and adjoint (``TAM``)
 ====================================