Standard units don't need translation, part 2 (#9974)

* Revert unit change made by mistake, and fix some unit translations

* Fix the declaration of untranslated Unicode strings

localization/i18n/OrcaSlicer.pot

@@ -11527,7 +11527,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"

localization/i18n/ca/OrcaSlicer_ca.po

@@ -13274,7 +13274,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13301,7 +13301,7 @@ msgstr ""
 "( alta velocitat/amplada més gran ) a una extrusió de menor flux ( menor "
 "velocitat/amplada més petita ) i viceversa.\n"
 "\n"
-"Defineix la velocitat màxima a la qual el flux volumètric extruït en mm3/seg "
+"Defineix la velocitat màxima a la qual el flux volumètric extruït en mm³/s "
 "pot canviar amb el temps. Els valors més alts signifiquen que es permeten "
 "canvis de velocitat d'extrusió més alts, cosa que resulta en transicions de "
 "velocitat més ràpides.\n"

localization/i18n/cs/OrcaSlicer_cs.po

@@ -12385,7 +12385,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -12412,7 +12412,7 @@ msgstr ""
 "na extruzi s nižším průtokem (nižší rychlost/menší šířka) a naopak.\n"
 "\n"
 "Definuje maximální rychlost, kterou může objemový průtok extrudovaného "
-"materiálu v mm3/s měnit v čase. Vyšší hodnoty znamenají, že jsou povoleny "
+"materiálu v mm³/s měnit v čase. Vyšší hodnoty znamenají, že jsou povoleny "
 "větší změny extruzní rychlosti, což vede k rychlejším přechodům rychlosti.\n"
 "\n"
 "Hodnota 0 funkci zakáže.\n"

localization/i18n/de/OrcaSlicer_de.po

@@ -13382,7 +13382,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13410,7 +13410,7 @@ msgstr ""
 "kleinere Breite) und umgekehrt wechselt.\n"
 "\n"
 "Es definiert die maximale Rate, mit der sich der extrudierte Volumenstrom in "
-"mm3/s über die Zeit ändern kann. Höhere Werte bedeuten, dass höhere "
+"mm³/s über die Zeit ändern kann. Höhere Werte bedeuten, dass höhere "
 "Extrusionsratenänderungen zulässig sind, was zu schnelleren "
 "Geschwindigkeitsübergängen führt.\n"
 "\n"

localization/i18n/en/OrcaSlicer_en.po

@@ -11861,7 +11861,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"

localization/i18n/es/OrcaSlicer_es.po

@@ -13151,7 +13151,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13178,7 +13178,7 @@ msgstr ""
 "(alta velocidad/ancho mayor) a una extrusión de menor flujo (menor velocidad/"
 "ancho menor) y viceversa.\n"
 "\n"
-"Define la velocidad máxima a la que el flujo volumétrico extruido en mm³/s² "
+"Define la velocidad máxima a la que el flujo volumétrico extruido en mm³/s "
 "puede cambiar con el tiempo. Valores más altos significan que se permiten "
 "cambios de velocidad de extrusión más altos, lo que resulta en transiciones "
 "de velocidad más rápidas.\n"

localization/i18n/fr/OrcaSlicer_fr.po

@@ -13451,7 +13451,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13478,7 +13478,7 @@ msgstr ""
 "élevée / largeur de ligne plus grande) à une extrusion à débit plus faible "
 "(vitesse plus faible / largeur de ligne plus petite) et vice versa.\n"
 "\n"
-"Il définit le taux maximum auquel le débit volumétrique extrudé en mm³/s² "
+"Il définit le taux maximum auquel le débit volumétrique extrudé en mm³/s "
 "peut varier dans le temps. Des valeurs plus élevées signifient que des "
 "changements du taux d’extrusion plus élevés sont autorisés, ce qui entraîne "
 "des transitions de vitesse plus rapides.\n"

localization/i18n/hu/OrcaSlicer_hu.po

@@ -12180,7 +12180,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"

localization/i18n/it/OrcaSlicer_it.po

@@ -13364,7 +13364,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13393,7 +13393,7 @@ msgstr ""
 "viceversa.\n"
 "\n"
 "Definisce la velocità massima con cui la portata volumetrica estrusa in mm³/"
-"s² può variare nel tempo. Valori più alti significano che sono consentite "
+"s può variare nel tempo. Valori più alti significano che sono consentite "
 "variazioni più elevate della velocità di estrusione, con conseguenti "
 "transizioni di velocità più rapide.\n"
 "\n"

localization/i18n/ja/OrcaSlicer_ja.po

@@ -11905,7 +11905,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"

localization/i18n/ko/OrcaSlicer_ko.po

@@ -12690,13 +12690,14 @@ msgstr ""
 msgid "Extrusion rate smoothing"
 msgstr "유연한 압출량"
 
+#, fuzzy
 msgid ""
 "This parameter smooths out sudden extrusion rate changes that happen when the "
 "printer transitions from printing a high flow (high speed/larger width) "
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -12721,7 +12722,7 @@ msgstr ""
 "속도/더 작은 너비) 압출로 또는 그 반대로 출력할 때 발생하는 급격한 압출 속도 "
 "변화를 완화합니다.\n"
 "\n"
-"이는 압출된 압출 압출량(mm3/초)이 시간에 따라 변할 수 있는 최대 속도를 정의합"
+"이는 압출된 압출 압출량(mm³/초)이 시간에 따라 변할 수 있는 최대 속도를 정의합"
 "니다. 값이 높을수록 더 높은 압출 속도 변경이 허용되어 속도 전환이 더 빨라진다"
 "는 의미입니다.\n"
 "\n"

localization/i18n/lt/OrcaSlicer_lt.po

@@ -13164,13 +13164,14 @@ msgstr ""
 msgid "Extrusion rate smoothing"
 msgstr "Ekstruzijos greičio išlyginimas"
 
+#, fuzzy
 msgid ""
 "This parameter smooths out sudden extrusion rate changes that happen when "
 "the printer transitions from printing a high flow (high speed/larger width) "
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13198,7 +13199,7 @@ msgstr ""
 "išspaudimo ir atvirkščiai.\n"
 "\n"
 "Jis apibrėžia didžiausią greitį, kuriuo gali kisti išspaustas tūrinis "
-"srautas mm3/sek. Didesnės vertės reiškia, kad leidžiami didesni ekstruzijos "
+"srautas mm³/s. Didesnės vertės reiškia, kad leidžiami didesni ekstruzijos "
 "greičio pokyčiai, todėl greitis pereina greičiau.\n"
 "\n"
 "Reikšmė 0 išjungia šią funkciją.\n"

localization/i18n/nl/OrcaSlicer_nl.po

@@ -12372,7 +12372,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"

localization/i18n/pl/OrcaSlicer_pl.po

@@ -13203,7 +13203,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13230,7 +13230,7 @@ msgstr ""
 "prędkość/większa szerokość) do wytłaczania o niższym przepływie (mniejsza "
 "prędkość/mniejsza szerokość) i odwrotnie.\n"
 "\n"
-"Określa maksymalną szybkość, o jaką natężenie przepływu wytłaczania w mm3/s "
+"Określa maksymalną szybkość, o jaką natężenie przepływu wytłaczania w mm³/s "
 "może zmieniać się w czasie. Wyższe wartości oznaczają, że dozwolone są "
 "większe zmiany szybkości wytłaczania, co skutkuje szybszymi przejściami "
 "prędkości.\n"

localization/i18n/pt_BR/OrcaSlicer_pt_BR.po

@@ -6673,7 +6673,7 @@ msgstr "Volume: %1% pol³\n"
 
 #, boost-format
 msgid "Volume: %1% mm³\n"
-msgstr "Volume: %1% mm3\n"
+msgstr "Volume: %1% mm³\n"
 
 #, boost-format
 msgid "Triangles: %1%\n"
@@ -13236,7 +13236,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13263,7 +13263,7 @@ msgstr ""
 "velocidade/maior largura) para uma extrusão de baixo fluxo (baixa velocidade/"
 "menor largura) e vice-versa.\n"
 "\n"
-"Define a taxa máxima pela qual o fluxo volumétrico extrudado em mm³/s² pode "
+"Define a taxa máxima pela qual o fluxo volumétrico extrudado em mm³/s pode "
 "mudar ao longo do tempo. Valores mais altos significam que mudanças de taxa "
 "de extrusão mais altas são permitidas, resultando em transições de "
 "velocidade mais rápidas.\n"

localization/i18n/ru/OrcaSlicer_ru.po

@@ -13412,13 +13412,14 @@ msgstr ""
 msgid "Extrusion rate smoothing"
 msgstr "Сглаживание скорости экструзии"
 
+#, fuzzy
 msgid ""
 "This parameter smooths out sudden extrusion rate changes that happen when "
 "the printer transitions from printing a high flow (high speed/larger width) "
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"

localization/i18n/sv/OrcaSlicer_sv.po

@@ -12121,7 +12121,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13982,11 +13982,13 @@ msgstr "för stor linjebredd "
 msgid " not in range "
 msgstr " inte inom intervallet "
 
+#, fuzzy
 msgid "Export 3MF"
 msgstr "Exportera 3mf"
 
+#, fuzzy
 msgid "Export project as 3MF."
-msgstr "Exportera projekt som3mf."
+msgstr "Exportera projekt som 3mf."
 
 msgid "Export slicing data"
 msgstr "Exportera beredningsdata"

localization/i18n/tr/OrcaSlicer_tr.po

@@ -13070,7 +13070,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -13097,7 +13097,7 @@ msgstr ""
 "ekstrüzyona geçtiğinde veya tam tersi olduğunda meydana gelen ani ekstrüzyon "
 "hızı değişikliklerini düzeltir.\n"
 "\n"
-"Ekstrude edilen hacimsel akışın mm3/sn cinsinden zaman içinde değişebileceği "
+"Ekstrude edilen hacimsel akışın mm³/s cinsinden zaman içinde değişebileceği "
 "maksimum oranı tanımlar. Daha yüksek değerler, daha yüksek ekstrüzyon hızı "
 "değişikliklerine izin verildiği anlamına gelir ve daha hızlı hız geçişlerine "
 "neden olur.\n"

localization/i18n/uk/OrcaSlicer_uk.po

@@ -13196,13 +13196,14 @@ msgstr ""
 msgid "Extrusion rate smoothing"
 msgstr "Вирівнювання швидкості екструзії"
 
+#, fuzzy
 msgid ""
 "This parameter smooths out sudden extrusion rate changes that happen when "
 "the printer transitions from printing a high flow (high speed/larger width) "
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"

localization/i18n/zh_CN/OrcaSlicer_zh_CN.po

@@ -12050,7 +12050,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"
@@ -12074,14 +12074,14 @@ msgid ""
 msgstr ""
 "此参数是打印机从打印高流量挤出（高速/较大宽度）向低流量挤出（低速/较小宽度）"
 "时用于突然变化挤出速率的平滑，反之亦然。\n"
-"它定义了挤出体积流量（mm3/s）随时间变化的最大速率。更高的值意味着允许更高的挤"
+"它定义了挤出体积流量（mm³/s）随时间变化的最大速率。更高的值意味着允许更高的挤"
 "出速率变化，从而产生更快速的过渡。\n"
 "\n"
 "值为0将禁用该功能。\n"
 "\n"
 "对于高速、高流量的近程挤出机（如Bambu或Voron）通常不需要该值。但是，在特征速"
 "度变化很大的某些情况下，它可以提供一些边际收益。例如，当由于悬垂而出现严重的"
-"减速时。在这些情况下，建议使用一个大的值大约300-350 m3/s2的，因为这刚好允许足"
+"减速时。在这些情况下，建议使用一个大的值大约300-350 mm³/s²的，因为这刚好允许足"
 "够的平滑，以帮助压力提前实现更平滑的流量过渡。\n"
 "\n"
 "对于没有压力提前的较慢打印机，该值应该设置得非常低。对于近程挤出机来说10-15 "

localization/i18n/zh_TW/OrcaSlicer_zh_TW.po

@@ -12289,7 +12289,7 @@ msgid ""
 "extrusion to a lower flow (lower speed/smaller width) extrusion and vice "
 "versa.\n"
 "\n"
-"It defines the maximum rate by which the extruded volumetric flow in mm³/s² "
+"It defines the maximum rate by which the extruded volumetric flow in mm³/s "
 "can change over time. Higher values mean higher extrusion rate changes are "
 "allowed, resulting in faster speed transitions.\n"
 "\n"

src/libslic3r/PrintConfig.cpp

@@ -697,7 +697,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Other layers");
     def->tooltip = L("Bed temperature for layers except the initial one. "
                      "A value of 0 means the filament does not support printing on the Cool Plate SuperTack.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->full_label = L("Bed temperature");
     def->min = 0;
     def->max = 120;
@@ -707,7 +707,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Other layers");
     def->tooltip = L("Bed temperature for layers except the initial one. "
                      "A value of 0 means the filament does not support printing on the Cool Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->full_label = L("Bed temperature");
     def->min = 0;
     def->max = 300;
@@ -717,7 +717,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Other layers");
     def->tooltip = L("Bed temperature for layers except the initial one. "
                      "A value of 0 means the filament does not support printing on the Textured Cool Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->full_label = L("Bed temperature");
     def->min = 0;
     def->max = 300;
@@ -727,7 +727,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Other layers");
     def->tooltip = L("Bed temperature for layers except the initial one. "
                      "A value of 0 means the filament does not support printing on the Engineering Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->full_label = L("Bed temperature");
     def->min = 0;
     def->max = 300;
@@ -737,7 +737,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Other layers");
     def->tooltip = L("Bed temperature for layers except the initial one. "
                      "A value of 0 means the filament does not support printing on the High Temp Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->full_label = L("Bed temperature");
     def->min = 0;
     def->max = 300;
@@ -747,7 +747,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Other layers");
     def->tooltip = L("Bed temperature for layers except the initial one. "
                      "A value of 0 means the filament does not support printing on the Textured PEI Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->full_label = L("Bed temperature");
     def->min = 0;
     def->max = 300;
@@ -758,7 +758,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip = L("Bed temperature of the initial layer. "
                      "A value of 0 means the filament does not support printing on the Cool Plate SuperTack.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->min = 0;
     def->max = 120;
     def->set_default_value(new ConfigOptionInts{ 35 });
@@ -768,7 +768,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip = L("Bed temperature of the initial layer. "
                      "A value of 0 means the filament does not support printing on the Cool Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->min = 0;
     def->max = 120;
     def->set_default_value(new ConfigOptionInts{ 35 });
@@ -778,7 +778,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip = L("Bed temperature of the initial layer. "
                      "A value of 0 means the filament does not support printing on the Textured Cool Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->min = 0;
     def->max = 120;
     def->set_default_value(new ConfigOptionInts{ 40 });
@@ -788,7 +788,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip = L("Bed temperature of the initial layer. "
                      "A value of 0 means the filament does not support printing on the Engineering Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->min = 0;
     def->max = 300;
     def->set_default_value(new ConfigOptionInts{ 45 });
@@ -798,7 +798,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip = L("Bed temperature of the initial layer. "
                      "A value of 0 means the filament does not support printing on the High Temp Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->max = 300;
     def->set_default_value(new ConfigOptionInts{ 45 });
 
@@ -807,7 +807,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip = L("Bed temperature of the initial layer. "
                      "A value of 0 means the filament does not support printing on the Textured PEI Plate.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->min = 0;
     def->max = 300;
     def->set_default_value(new ConfigOptionInts{45});
@@ -1415,7 +1415,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("default_acceleration", coFloat);
     def->label = L("Normal printing");
     def->tooltip = L("The default acceleration of both normal printing and travel except initial layer.");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(500.0));
@@ -2009,7 +2009,7 @@ void PrintConfigDef::init_fff_params()
     def->tooltip = L("This setting stands for how much volume of filament can be melted and extruded per second. "
                      "Printing speed is limited by max volumetric speed, in case of too high and unreasonable speed setting. "
                      "Can't be zero.");
-    def->sidetext = "mm³/s";	// cubic milimeters per second, don't need translation
+    def->sidetext = u8"mm³/s";	// cubic milimeters per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloats { 2. });
@@ -2186,7 +2186,7 @@ void PrintConfigDef::init_fff_params()
                      "the nozzle may not be known, and the filament pressure is likely not yet stable. "
                      "Before purging the print head into an infill or a sacrificial object, Orca Slicer will always prime "
                      "this amount of material into the wipe tower to produce successive infill or sacrificial object extrusions reliably.");
-    def->sidetext = "mm³";	// cubic milimeters, don't need translation
+    def->sidetext = u8"mm³";	// cubic milimeters, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloats { 15. });
@@ -2217,7 +2217,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("filament_multitool_ramming_volume", coFloats);
     def->label = L("Multi-tool ramming volume");
     def->tooltip = L("The volume to be rammed before the tool change.");
-    def->sidetext = "mm³";	// cubic milimeters, don't need translation
+    def->sidetext = u8"mm³";	// cubic milimeters, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloats { 10. });
@@ -2225,7 +2225,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("filament_multitool_ramming_flow", coFloats);
     def->label = L("Multi-tool ramming flow");
     def->tooltip = L("Flow used for ramming the filament before the tool change.");
-    def->sidetext = "mm³/s";	// cubic milimeters per second, don't need translation
+    def->sidetext = u8"mm³/s";	// cubic milimeters per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloats { 10. });
@@ -2233,7 +2233,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("filament_density", coFloats);
     def->label = L("Density");
     def->tooltip = L("Filament density. For statistics only.");
-    def->sidetext = "g/cm³";	// grams per cubic milimeter, don't need translation
+    def->sidetext = u8"g/cm³";	// grams per cubic milimeter, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloats { 0. });
@@ -2303,7 +2303,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Softening temperature");
     def->tooltip = L("The material softens at this temperature, so when the bed temperature is equal to or greater than this, "
                      "it's highly recommended to open the front door and/or remove the upper glass to avoid clogging.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->mode = comSimple;
     def->set_default_value(new ConfigOptionInts{ 100 });
 
@@ -2510,7 +2510,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("outer_wall_acceleration", coFloat);
     def->label = L("Outer wall");
     def->tooltip = L("Acceleration of outer walls.");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(10000));
@@ -2518,7 +2518,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("inner_wall_acceleration", coFloat);
     def->label = L("Inner wall");
     def->tooltip = L("Acceleration of inner walls.");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(10000));
@@ -2526,7 +2526,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("travel_acceleration", coFloat);
     def->label = L("Travel");
     def->tooltip = L("Acceleration of travel moves.");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(10000));
@@ -2534,7 +2534,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("top_surface_acceleration", coFloat);
     def->label = L("Top surface");
     def->tooltip = L("Acceleration of top surface infill. Using a lower value may improve top surface quality.");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(500));
@@ -2542,7 +2542,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("outer_wall_acceleration", coFloat);
     def->label = L("Outer wall");
     def->tooltip = L("Acceleration of outer wall. Using a lower value can improve quality.");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(500));
@@ -2577,7 +2577,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("initial_layer_acceleration", coFloat);
     def->label = L("Initial layer");
     def->tooltip = L("Acceleration of initial layer. Using a lower value can improve build plate adhesion.");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(300));
@@ -2730,7 +2730,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Initial layer");
     def->full_label = L("Initial layer nozzle temperature");
     def->tooltip = L("Nozzle temperature for printing initial layer when using this filament.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->min = 0;
     def->max = max_temp;
     def->set_default_value(new ConfigOptionInts { 200 });
@@ -3586,7 +3586,7 @@ void PrintConfigDef::init_fff_params()
             (void)L("Maximum acceleration of the Y axis");
             (void)L("Maximum acceleration of the Z axis");
             (void)L("Maximum acceleration of the E axis");
-            def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+            def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
             def->min = 0;
             def->mode = comSimple;
             def->set_default_value(new ConfigOptionFloats(axis.max_acceleration));
@@ -3647,7 +3647,7 @@ void PrintConfigDef::init_fff_params()
     def->tooltip = L("Maximum acceleration for extruding (M204 P)");
     //                 "Marlin (legacy) firmware flavor will use this also "
     //                 "as travel acceleration (M204 T).");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->readonly = false;
     def->mode = comSimple;
@@ -3659,7 +3659,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Maximum acceleration for retracting");
     def->category = L("Machine limits");
     def->tooltip = L("Maximum acceleration for retracting (M204 R)");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->readonly = false;
     def->mode = comSimple;
@@ -3670,7 +3670,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Maximum acceleration for travel");
     def->category = L("Machine limits");
     def->tooltip = L("Maximum acceleration for travel (M204 T), it only applies to Marlin 2.");
-    def->sidetext = "mm/s²";	// milimeters per second per second, don't need translation
+    def->sidetext = u8"mm/s²";	// milimeters per second per second, don't need translation
     def->min = 0;
     def->readonly = false;
     def->mode = comAdvanced;
@@ -3725,7 +3725,7 @@ void PrintConfigDef::init_fff_params()
     def->tooltip = L("This parameter smooths out sudden extrusion rate changes that happen when " 
                      "the printer transitions from printing a high flow (high speed/larger width) "
                      "extrusion to a lower flow (lower speed/smaller width) extrusion and vice versa.\n\n"
-                     "It defines the maximum rate by which the extruded volumetric flow in mm³/s² can change over time. "
+                     "It defines the maximum rate by which the extruded volumetric flow in mm³/s can change over time. "
                      "Higher values mean higher extrusion rate changes are allowed, resulting in faster speed transitions.\n\n" 
                      "A value of 0 disables the feature.\n\n"
                      "For a high speed, high flow direct drive printer (like the Bambu lab or Voron) this value is usually not needed. "
@@ -3736,7 +3736,7 @@ void PrintConfigDef::init_fff_params()
                      "A value of 10-15 mm³/s² is a good starting point for direct drive extruders and 5-10 mm³/s² for Bowden style.\n\n"
                      "This feature is known as Pressure Equalizer in Prusa slicer.\n\n"
                      "Note: this parameter disables arc fitting.");
-    def->sidetext = "mm³/s²";	// cubic milimeters per second per second, don't need translation
+    def->sidetext = u8"mm³/s²";	// cubic milimeters per second per second, don't need translation
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(0));
@@ -3857,7 +3857,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("nozzle_volume", coFloat);
     def->label = L("Nozzle volume");
     def->tooltip = L("Volume of nozzle between the cutter and the end of nozzle.");
-    def->sidetext = "mm³";	// cubic milimeters, don't need translation
+    def->sidetext = u8"mm³";	// cubic milimeters, don't need translation
     def->mode = comAdvanced;
     def->readonly = false;
     def->set_default_value(new ConfigOptionFloat { 0.0 });
@@ -5369,7 +5369,7 @@ void PrintConfigDef::init_fff_params()
                      "This may be useful if your printer does not support M141/M191 commands, or if you desire "
                      "to handle heat soaking in the print start macro if no active chamber heater is installed."
                     );
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->full_label = L("Chamber temperature");
     def->min = 0;
     def->max = max_temp;
@@ -5378,7 +5378,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("nozzle_temperature", coInts);
     def->label = L("Other layers");
     def->tooltip = L("Nozzle temperature for layers after the initial one.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->full_label = L("Nozzle temperature");
     def->min = 0;
     def->max = max_temp;
@@ -5387,7 +5387,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("nozzle_temperature_range_low", coInts);
     def->label = L("Min");
     //def->tooltip = L("");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->min = 0;
     def->max = max_temp;
     def->set_default_value(new ConfigOptionInts { 190 });
@@ -5395,7 +5395,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("nozzle_temperature_range_high", coInts);
     def->label = L("Max");
     //def->tooltip = L("");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->min = 0;
     def->max = max_temp;
     def->set_default_value(new ConfigOptionInts { 240 });
@@ -5571,7 +5571,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("prime_volume", coFloat);
     def->label = L("Prime volume");
     def->tooltip = L("The volume of material to prime extruder on tower.");
-    def->sidetext = "mm³";	// cubic milimeters, don't need translation
+    def->sidetext = u8"mm³";	// cubic milimeters, don't need translation
     def->min = 1.0;
     def->mode = comSimple;
     def->set_default_value(new ConfigOptionFloat(45.));
@@ -5750,7 +5750,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Idle temperature");
     def->tooltip = L("Nozzle temperature when the tool is currently not used in multi-tool setups. "
                      "This is only used when 'Ooze prevention' is active in Print Settings. Set to 0 to disable.");
-    def->sidetext = "\u2103" /* °C */;	// degrees Celsius, don't need translation
+    def->sidetext = u8"\u2103" /* °C */;	// degrees Celsius, don't need translation
     def->min = 0;
     def->max = max_temp;
     def->set_default_value(new ConfigOptionInts{0});

src/slic3r/GUI/CalibrationWizardPresetPage.cpp

@@ -1918,7 +1918,7 @@ MaxVolumetricSpeedPresetPage::MaxVolumetricSpeedPresetPage(
         titles.push_back(_L("Step"));
         m_custom_range_panel->set_titles(titles);
 
-        m_custom_range_panel->set_unit("mm³/s");
+        m_custom_range_panel->set_unit(wxString::FromUTF8("mm³/s"));
     }
 }
 }}

src/slic3r/GUI/ConfigWizard.cpp

@@ -1448,7 +1448,7 @@ PageTemperatures::PageTemperatures(ConfigWizard *parent)
 
     auto *sizer_extr = new wxFlexGridSizer(3, 5, 5);
     auto *text_extr = new wxStaticText(this, wxID_ANY, _L("Extrusion Temperature:"));
-    auto *unit_extr = new wxStaticText(this, wxID_ANY, "\u2103" /* °C */);
+    auto *unit_extr = new wxStaticText(this, wxID_ANY, wxString::FromUTF8("\u2103") /* °C */);
     sizer_extr->AddGrowableCol(0, 1);
     sizer_extr->Add(text_extr, 0, wxALIGN_CENTRE_VERTICAL);
     sizer_extr->Add(spin_extr);
@@ -1462,7 +1462,7 @@ PageTemperatures::PageTemperatures(ConfigWizard *parent)
 
     auto *sizer_bed = new wxFlexGridSizer(3, 5, 5);
     auto *text_bed = new wxStaticText(this, wxID_ANY, _L("Bed Temperature:"));
-    auto *unit_bed = new wxStaticText(this, wxID_ANY, "\u2103" /* °C */);
+    auto *unit_bed = new wxStaticText(this, wxID_ANY, wxString::FromUTF8("\u2103") /* °C */);
     sizer_bed->AddGrowableCol(0, 1);
     sizer_bed->Add(text_bed, 0, wxALIGN_CENTRE_VERTICAL);
     sizer_bed->Add(spin_bed);

src/slic3r/GUI/ExtrusionCalibration.cpp

@@ -127,21 +127,21 @@ void ExtrusionCalibration::create()
         wxWindow::GetTextExtent(_L("Bed Temperature")).x),
         wxWindow::GetTextExtent(_L("Max volumetric speed")).x),
         EXTRUSION_CALIBRATION_INPUT_SIZE.x);
-    m_nozzle_temp = new TextInput(m_step_1_panel, wxEmptyString, "\u2103" /* °C */, "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
+    m_nozzle_temp = new TextInput(m_step_1_panel, wxEmptyString, wxString::FromUTF8("\u2103") /* °C */, "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
     nozzle_temp_sizer->Add(nozzle_temp_text, 0, wxALIGN_LEFT);
     nozzle_temp_sizer->AddSpacer(FromDIP(4));
     nozzle_temp_sizer->Add(m_nozzle_temp, 0, wxEXPAND);
 
     auto bed_temp_sizer = new wxBoxSizer(wxVERTICAL);
     auto bed_temp_text = new wxStaticText(m_step_1_panel, wxID_ANY, _L("Bed temperature"));
-    m_bed_temp = new TextInput(m_step_1_panel, wxEmptyString, "\u2103" /* °C */, "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
+    m_bed_temp = new TextInput(m_step_1_panel, wxEmptyString, wxString::FromUTF8("\u2103") /* °C */, "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
     bed_temp_sizer->Add(bed_temp_text, 0, wxALIGN_LEFT);
     bed_temp_sizer->AddSpacer(FromDIP(4));
     bed_temp_sizer->Add(m_bed_temp, 0, wxEXPAND);
 
     auto max_flow_sizer = new wxBoxSizer(wxVERTICAL);
     auto max_flow_text = new wxStaticText(m_step_1_panel, wxID_ANY, _L("Max volumetric speed"));
-    m_max_flow_ratio = new TextInput(m_step_1_panel, wxEmptyString, "mm³", "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
+    m_max_flow_ratio = new TextInput(m_step_1_panel, wxEmptyString, wxString::FromUTF8("mm³"), "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
     max_flow_sizer->Add(max_flow_text, 0, wxALIGN_LEFT);
     max_flow_sizer->AddSpacer(FromDIP(4));
     max_flow_sizer->Add(m_max_flow_ratio, 0, wxEXPAND);

src/slic3r/GUI/Plater.cpp

@@ -9555,7 +9555,7 @@ void Plater::_calib_pa_pattern(const Calib_Params& params)
     if (accels.empty()) {
         accels.assign({accel});
         const auto msg{_L("INFO:") + "\n" +
-                       _L("No accelerations provided for calibration. Use default acceleration value ") + std::to_string(long(accel)) + _L("mm/s²")};
+                       _L("No accelerations provided for calibration. Use default acceleration value ") + std::to_string(long(accel)) + wxString::FromUTF8("mm/s²")};
         get_notification_manager()->push_notification(msg.ToStdString());
     } else {
         // set max acceleration in case of batch mode to get correct test pattern size

src/slic3r/GUI/RammingChart.cpp

@@ -89,10 +89,10 @@ void Chart::draw() {
     }
     
     // axis labels:
-    wxString label = _(L("Time")) + " ("+_("s")+")";
+    wxString label = _(L("Time")) + " (" + _("s") + ")";
     dc.GetTextExtent(label,&text_width,&text_height);
     dc.DrawText(label,wxPoint(0.5*(m_rect.GetRight()+m_rect.GetLeft())-text_width/2.f, m_rect.GetBottom()+0.6*legend_side));
-    label = _(L("Volumetric speed")) + " (" + _("mm³/s") + ")";
+    label = _(L("Volumetric speed")) + " (" + wxString::FromUTF8("mm³/s") + ")";
     dc.GetTextExtent(label,&text_width,&text_height);
     dc.DrawRotatedText(label,wxPoint(0,0.5*(m_rect.GetBottom()+m_rect.GetTop())+text_width/2.f),90);
 

src/slic3r/GUI/WipeTowerDialog.cpp

@@ -132,7 +132,7 @@ RammingPanel::RammingPanel(wxWindow* parent, const std::string& parameters)
     sizer_chart->Add(label, 0, wxEXPAND | wxALL, 5);
 
     m_widget_time                             = new SpinInput(this, wxEmptyString, "ms" , wxDefaultPosition, wxSize(scale(120), -1), wxSP_ARROW_KEYS, 0 , 5000 , 3000, 250);
-    m_widget_volume                           = new SpinInput(this, wxEmptyString, "mm³", wxDefaultPosition, wxSize(scale(120), -1), wxSP_ARROW_KEYS, 0 , 10000, 0   );
+    m_widget_volume                           = new SpinInput(this, wxEmptyString, wxString::FromUTF8("mm³"), wxDefaultPosition, wxSize(scale(120), -1), wxSP_ARROW_KEYS, 0 , 10000, 0   );
     m_widget_ramming_line_width_multiplicator = new SpinInput(this, wxEmptyString, "%"  , wxDefaultPosition, wxSize(scale(120), -1), wxSP_ARROW_KEYS, 10, 300  , 100 );
     m_widget_ramming_step_multiplicator       = new SpinInput(this, wxEmptyString, "%"  , wxDefaultPosition, wxSize(scale(120), -1), wxSP_ARROW_KEYS, 10, 300  , 100 );
 

src/slic3r/GUI/calib_dlg.cpp

@@ -306,7 +306,7 @@ Temp_Calibration_Dlg::Temp_Calibration_Dlg(wxWindow* parent, wxWindowID id, Plat
     // start temp
     auto start_temp_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto start_temp_text = new wxStaticText(this, wxID_ANY, start_temp_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiStart = new TextInput(this, std::to_string(230), "\u2103" /* °C */, "", wxDefaultPosition, ti_size);
+    m_tiStart = new TextInput(this, std::to_string(230), wxString::FromUTF8("\u2103") /* °C */, "", wxDefaultPosition, ti_size);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
     start_temp_sizer->Add(start_temp_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));
     start_temp_sizer->Add(m_tiStart      , 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));
@@ -315,7 +315,7 @@ Temp_Calibration_Dlg::Temp_Calibration_Dlg(wxWindow* parent, wxWindowID id, Plat
     // end temp
     auto end_temp_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto end_temp_text = new wxStaticText(this, wxID_ANY, end_temp_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiEnd = new TextInput(this, std::to_string(190), "\u2103" /* °C */, "", wxDefaultPosition, ti_size);
+    m_tiEnd = new TextInput(this, std::to_string(190), wxString::FromUTF8("\u2103") /* °C */, "", wxDefaultPosition, ti_size);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
     end_temp_sizer->Add(end_temp_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));
     end_temp_sizer->Add(m_tiEnd      , 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));
@@ -324,7 +324,7 @@ Temp_Calibration_Dlg::Temp_Calibration_Dlg(wxWindow* parent, wxWindowID id, Plat
     // temp step
     auto temp_step_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto temp_step_text = new wxStaticText(this, wxID_ANY, temp_step_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiStep = new TextInput(this, wxString::FromDouble(5),"\u2103" /* °C */, "", wxDefaultPosition, ti_size);
+    m_tiStep = new TextInput(this, wxString::FromDouble(5), wxString::FromUTF8("\u2103") /* °C */, "", wxDefaultPosition, ti_size);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
     m_tiStep->Enable(false);
     temp_step_sizer->Add(temp_step_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));
@@ -353,7 +353,9 @@ Temp_Calibration_Dlg::Temp_Calibration_Dlg(wxWindow* parent, wxWindowID id, Plat
         if(!ti->GetTextCtrl()->GetValue().ToULong(&t))
             return;
         if(t> 350 || t < 170){
-            MessageDialog msg_dlg(nullptr, wxString::Format(L"Supported range: 170%s - 350%s","\u2103" /* °C */,"\u2103" /* °C */), wxEmptyString, wxICON_WARNING | wxOK);
+            MessageDialog msg_dlg(nullptr, wxString::Format(L"Supported range: 170%s - 350%s",
+                wxString::FromUTF8("\u2103") /* °C */, wxString::FromUTF8("\u2103") /* °C */),
+                wxEmptyString, wxICON_WARNING | wxOK);
             msg_dlg.ShowModal();
             if(t > 350)
                 t = 350;
@@ -479,7 +481,7 @@ MaxVolumetricSpeed_Test_Dlg::MaxVolumetricSpeed_Test_Dlg(wxWindow* parent, wxWin
     // start vol
     auto start_vol_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto start_vol_text = new wxStaticText(this, wxID_ANY, start_vol_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiStart = new TextInput(this, std::to_string(5), "mm³/s", "", wxDefaultPosition, ti_size);
+    m_tiStart = new TextInput(this, std::to_string(5), wxString::FromUTF8("mm³/s"), "", wxDefaultPosition, ti_size);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 
     start_vol_sizer->Add(start_vol_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));
@@ -489,7 +491,7 @@ MaxVolumetricSpeed_Test_Dlg::MaxVolumetricSpeed_Test_Dlg(wxWindow* parent, wxWin
     // end vol
     auto end_vol_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto end_vol_text = new wxStaticText(this, wxID_ANY, end_vol_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiEnd = new TextInput(this, std::to_string(20), "mm³/s", "", wxDefaultPosition, ti_size);
+    m_tiEnd = new TextInput(this, std::to_string(20), wxString::FromUTF8("mm³/s"), "", wxDefaultPosition, ti_size);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
     end_vol_sizer->Add(end_vol_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));
     end_vol_sizer->Add(m_tiEnd     , 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));
@@ -498,7 +500,7 @@ MaxVolumetricSpeed_Test_Dlg::MaxVolumetricSpeed_Test_Dlg(wxWindow* parent, wxWin
     // vol step
     auto vol_step_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto vol_step_text = new wxStaticText(this, wxID_ANY, vol_step_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiStep = new TextInput(this, wxString::FromDouble(0.5), "mm³/s", "", wxDefaultPosition, ti_size);
+    m_tiStep = new TextInput(this, wxString::FromDouble(0.5), wxString::FromUTF8("mm³/s"), "", wxDefaultPosition, ti_size);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
     vol_step_sizer->Add(vol_step_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));
     vol_step_sizer->Add(m_tiStep     , 0, wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(2));