diff --git a/dev/.documenter-siteinfo.json b/dev/.documenter-siteinfo.json
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--- a/dev/.documenter-siteinfo.json
+++ b/dev/.documenter-siteinfo.json
@@ -1 +1 @@
-{"documenter":{"julia_version":"1.10.5","generation_timestamp":"2024-10-11T12:30:20","documenter_version":"1.7.0"}}
\ No newline at end of file
+{"documenter":{"julia_version":"1.11.0","generation_timestamp":"2024-10-23T08:59:20","documenter_version":"1.7.0"}}
\ No newline at end of file
diff --git a/dev/index.html b/dev/index.html
index ef69135..75adee9 100644
--- a/dev/index.html
+++ b/dev/index.html
@@ -40,4 +40,4 @@
 
 zos1 = ZarrDataset(url) do ds
   ds["zos"][:,:,end,1]
-end # implicit call to close(ds)</code></pre></div><a class="docs-sourcelink" target="_blank" href="https://github.com/JuliaGeo/ZarrDatasets.jl/blob/87bd4643f68459f7b2f0fe22581386015cfcc875/src/dataset.jl#L82-L130">source</a></section></article><article class="docstring"><header><a class="docstring-article-toggle-button fa-solid fa-chevron-down" href="javascript:;" title="Collapse docstring"></a><a class="docstring-binding" id="CommonDataModel.defVar-Tuple{ZarrDatasets.ZarrDataset, Union{AbstractString, Symbol}, DataType, Any}" href="#CommonDataModel.defVar-Tuple{ZarrDatasets.ZarrDataset, Union{AbstractString, Symbol}, DataType, Any}"><code>CommonDataModel.defVar</code></a> — <span class="docstring-category">Method</span><span class="is-flex-grow-1 docstring-article-toggle-button" title="Collapse docstring"></span></header><section><div><pre><code class="language-julia hljs">defVar(ds::ZarrDataset,name::SymbolOrString,vtype::DataType,dimensionnames; chunksizes=nothing, attrib = Dict(), fillvalue = nothing)</code></pre><p>Create a variable <code>name</code> in the dataset <code>ds</code> with the type <code>vtype</code> and the dimension <code>dimensionnames</code>.</p><p>For coordinate variables, fill values will be used a background value of undefined chunks and not as missing value as coordinate variables cannot have the <code>_FillValues</code> in the CF convension as in Zarr v2 format a <code>fill_value</code> does not necessarily indicate a missing value.</p><p>See also <code>CommonDataModel.defVar</code> for more information.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/JuliaGeo/ZarrDatasets.jl/blob/87bd4643f68459f7b2f0fe22581386015cfcc875/src/variable.jl#L55-L65">source</a></section></article><h3 id="Differences-between-Zarr-and-NetCDF-files"><a class="docs-heading-anchor" href="#Differences-between-Zarr-and-NetCDF-files">Differences between Zarr and NetCDF files</a><a id="Differences-between-Zarr-and-NetCDF-files-1"></a><a class="docs-heading-anchor-permalink" href="#Differences-between-Zarr-and-NetCDF-files" title="Permalink"></a></h3><ul><li>All metadata (in particular attributes) is stored in JSON files for the Zarr format with the following implications:<ul><li>JSON does not distinguish between integers and real numbers. They are all considered as generic numbers. Whole numbers are loaded as <code>Int64</code> and real numbers <code>Float64</code>. It is not possible to store the number <code>1.0</code> as a real number.</li><li>The order of keys in a JSON document is undefined. It is therefore not possible to have a consistent ordering of the attributes or variables.</li><li>The JSON standard does not allow the values NaN, +Inf, -Inf which is problematic for attributes (<a href="https://github.com/zarr-developers/zarr-python/issues/412">zarr-python #412</a>,   <a href="https://github.com/zarr-developers/zarr-specs/issues/81">zarr-specs #81</a>). However, there is a special case for the fill-value to handle NaN, +Inf and -Inf.</li></ul></li><li>All dimensions must be associated to Zarr variables.</li></ul></article><nav class="docs-footer"><p class="footer-message">Powered by <a href="https://github.com/JuliaDocs/Documenter.jl">Documenter.jl</a> and the <a href="https://julialang.org/">Julia Programming Language</a>.</p></nav></div><div class="modal" id="documenter-settings"><div class="modal-background"></div><div class="modal-card"><header class="modal-card-head"><p class="modal-card-title">Settings</p><button class="delete"></button></header><section class="modal-card-body"><p><label class="label">Theme</label><div class="select"><select id="documenter-themepicker"><option value="auto">Automatic (OS)</option><option value="documenter-light">documenter-light</option><option value="documenter-dark">documenter-dark</option><option value="catppuccin-latte">catppuccin-latte</option><option value="catppuccin-frappe">catppuccin-frappe</option><option value="catppuccin-macchiato">catppuccin-macchiato</option><option value="catppuccin-mocha">catppuccin-mocha</option></select></div></p><hr/><p>This document was generated with <a href="https://github.com/JuliaDocs/Documenter.jl">Documenter.jl</a> version 1.7.0 on <span class="colophon-date" title="Friday 11 October 2024 12:30">Friday 11 October 2024</span>. Using Julia version 1.10.5.</p></section><footer class="modal-card-foot"></footer></div></div></div></body></html>
+end # implicit call to close(ds)</code></pre></div><a class="docs-sourcelink" target="_blank" href="https://github.com/JuliaGeo/ZarrDatasets.jl/blob/998c4721cdb34fd2487722ac16dfcf92997f47f2/src/dataset.jl#L82-L130">source</a></section></article><article class="docstring"><header><a class="docstring-article-toggle-button fa-solid fa-chevron-down" href="javascript:;" title="Collapse docstring"></a><a class="docstring-binding" id="CommonDataModel.defVar-Tuple{ZarrDatasets.ZarrDataset, Union{AbstractString, Symbol}, DataType, Any}" href="#CommonDataModel.defVar-Tuple{ZarrDatasets.ZarrDataset, Union{AbstractString, Symbol}, DataType, Any}"><code>CommonDataModel.defVar</code></a> — <span class="docstring-category">Method</span><span class="is-flex-grow-1 docstring-article-toggle-button" title="Collapse docstring"></span></header><section><div><pre><code class="language-julia hljs">defVar(ds::ZarrDataset,name::SymbolOrString,vtype::DataType,dimensionnames; chunksizes=nothing, attrib = Dict(), fillvalue = nothing)</code></pre><p>Create a variable <code>name</code> in the dataset <code>ds</code> with the type <code>vtype</code> and the dimension <code>dimensionnames</code>.</p><p>For coordinate variables, fill values will be used a background value of undefined chunks and not as missing value as coordinate variables cannot have the <code>_FillValues</code> in the CF convension as in Zarr v2 format a <code>fill_value</code> does not necessarily indicate a missing value.</p><p>See also <code>CommonDataModel.defVar</code> for more information.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/JuliaGeo/ZarrDatasets.jl/blob/998c4721cdb34fd2487722ac16dfcf92997f47f2/src/variable.jl#L55-L65">source</a></section></article><h3 id="Differences-between-Zarr-and-NetCDF-files"><a class="docs-heading-anchor" href="#Differences-between-Zarr-and-NetCDF-files">Differences between Zarr and NetCDF files</a><a id="Differences-between-Zarr-and-NetCDF-files-1"></a><a class="docs-heading-anchor-permalink" href="#Differences-between-Zarr-and-NetCDF-files" title="Permalink"></a></h3><ul><li>All metadata (in particular attributes) is stored in JSON files for the Zarr format with the following implications:<ul><li>JSON does not distinguish between integers and real numbers. They are all considered as generic numbers. Whole numbers are loaded as <code>Int64</code> and real numbers <code>Float64</code>. It is not possible to store the number <code>1.0</code> as a real number.</li><li>The order of keys in a JSON document is undefined. It is therefore not possible to have a consistent ordering of the attributes or variables.</li><li>The JSON standard does not allow the values NaN, +Inf, -Inf which is problematic for attributes (<a href="https://github.com/zarr-developers/zarr-python/issues/412">zarr-python #412</a>,   <a href="https://github.com/zarr-developers/zarr-specs/issues/81">zarr-specs #81</a>). However, there is a special case for the fill-value to handle NaN, +Inf and -Inf.</li></ul></li><li>All dimensions must be associated to Zarr variables.</li></ul></article><nav class="docs-footer"><p class="footer-message">Powered by <a href="https://github.com/JuliaDocs/Documenter.jl">Documenter.jl</a> and the <a href="https://julialang.org/">Julia Programming Language</a>.</p></nav></div><div class="modal" id="documenter-settings"><div class="modal-background"></div><div class="modal-card"><header class="modal-card-head"><p class="modal-card-title">Settings</p><button class="delete"></button></header><section class="modal-card-body"><p><label class="label">Theme</label><div class="select"><select id="documenter-themepicker"><option value="auto">Automatic (OS)</option><option value="documenter-light">documenter-light</option><option value="documenter-dark">documenter-dark</option><option value="catppuccin-latte">catppuccin-latte</option><option value="catppuccin-frappe">catppuccin-frappe</option><option value="catppuccin-macchiato">catppuccin-macchiato</option><option value="catppuccin-mocha">catppuccin-mocha</option></select></div></p><hr/><p>This document was generated with <a href="https://github.com/JuliaDocs/Documenter.jl">Documenter.jl</a> version 1.7.0 on <span class="colophon-date" title="Wednesday 23 October 2024 08:59">Wednesday 23 October 2024</span>. Using Julia version 1.11.0.</p></section><footer class="modal-card-foot"></footer></div></div></div></body></html>