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Config_Changes.html

@@ -1398,6 +1398,9 @@ are not backwards compatible. It is a good idea to review this
 document when upgrading the Klipper software.</p>
 <p>All dates in this document are approximate.</p>
 <h2 id="changes">Changes<a class="headerlink" href="#changes" title="Permanent link">&para;</a></h2>
+<p>20250131: Option <code>VARIABLE=&lt;name&gt;</code> in <code>SAVE_VARIABLE</code> requires lowercase
+value. For example, <code>extruder</code> instead of mixedcase <code>Extruder</code> or
+uppercase <code>EXTRUDER</code>. Using any uppercase letter will raise an error.</p>
 <p>20241203: The resonance test has been changed to include slow sweeping
 moves. This change requires that testing point(s) have some clearance
 in X/Y plane (+/- 30 mm from the test point should suffice when using

G-Codes.html

@@ -5765,8 +5765,9 @@ take effect immediately.</p>
 has been enabled.</p>
 <h4 id="save_variable">SAVE_VARIABLE<a class="headerlink" href="#save_variable" title="Permanent link">&para;</a></h4>
 <p><code>SAVE_VARIABLE VARIABLE=&lt;name&gt; VALUE=&lt;value&gt;</code>: Saves the variable to
-disk so that it can be used across restarts. All stored variables are
-loaded into the <code>printer.save_variables.variables</code> dict at startup and
+disk so that it can be used across restarts. The VARIABLE must be lowercase.
+All stored variables are loaded into the
+<code>printer.save_variables.variables</code> dict at startup and
 can be used in gcode macros. The provided VALUE is parsed as a Python
 literal.</p>
 <h3 id="screws_tilt_adjust">[screws_tilt_adjust]<a class="headerlink" href="#screws_tilt_adjust" title="Permanent link">&para;</a></h3>