spelling fixes for escl backend

backend/escl/escl.c

@@ -259,7 +259,7 @@ get_vendor(char *search)
  * \brief Function that checks if the url of the received scanner is secured or not (http / https).
  *        --> if the url is not secured, our own url will be composed like "http://'ip':'port'".
  *        --> else, our own url will be composed like "https://'ip':'port'".
- *        AND, it's in this function that we gather all the informations of the url (that were in our list) :
+ *        AND, it's in this function that we gather all the information of the url (that were in our list) :
  *        the model_name, the port, the ip, and the type of url.
  *        SO, leaving this function, we have in memory the complete url.
  *
@@ -531,7 +531,7 @@ _source_size_max (SANE_String_Const * sources)
 /**
  * \fn static SANE_Status init_options(SANE_String_Const name, escl_sane_t *s)
  * \brief Function thzt initializes all the needed options of the received scanner
- *        (the resolution / the color / the margins) thanks to the informations received with
+ *        (the resolution / the color / the margins) thanks to the information received with
  *        the 'escl_capabilities' function, called just before.
  *
  * \return status (if everything is OK, status = SANE_STATUS_GOOD)
@@ -977,7 +977,7 @@ _go_next_page(SANE_Status status,
 
 /**
  * \fn SANE_Status sane_start(SANE_Handle h)
- * \brief Function that initiates aquisition of an image from the device represented by handle 'h'.
+ * \brief Function that initiates acquisition of an image from the device represented by handle 'h'.
  *        This function calls the "escl_newjob" function and the "escl_scan" function.
  *
  * \return status (if everything is OK, status = SANE_STATUS_GOOD, otherwise, SANE_STATUS_NO_MEM/SANE_STATUS_INVAL)
@@ -1106,7 +1106,7 @@ sane_start(SANE_Handle h)
        status = get_PDF_data(handler->scanner, &w, &he, &bps);
     }
     else {
-       DBG(10, "Unknow image format\n");
+       DBG(10, "Unknown image format\n");
        return SANE_STATUS_INVAL;
     }
 

backend/escl/escl_capabilities.c

@@ -173,7 +173,7 @@ find_nodes_c(xmlNode *node)
 
 /**
  * \fn static int find_valor_of_array_variables(xmlNode *node, capabilities_t *scanner)
- * \brief Function that searchs in the xml file if a scanner capabilitie stocked
+ * \brief Function that searches in the xml file if a scanner capabilitie stocked
  *        in one of the created array (character/integer array) is found.
  *
  * \return 0
@@ -239,7 +239,7 @@ find_valor_of_array_variables(xmlNode *node, capabilities_t *scanner, int type)
 
 /**
  * \fn static int find_value_of_int_variables(xmlNode *node, capabilities_t *scanner)
- * \brief Function that searchs in the xml file if a integer scanner capabilitie is found.
+ * \brief Function that searches in the xml file if a integer scanner capabilitie is found.
  *        The integer scanner capabilities that are interesting are :
  *        MinWidth, MaxWidth, MaxHeight, MinHeight, MaxScanRegions, MaxOpticalXResolution,
  *        RiskyLeftMargin, RiskyRightMargin, RiskyTopMargin, RiskyBottomMargin.
@@ -285,7 +285,7 @@ find_value_of_int_variables(xmlNode *node, capabilities_t *scanner, int type)
 
 /**
  * \fn static int find_true_variables(xmlNode *node, capabilities_t *scanner)
- * \brief Function that searchs in the xml file if we find a scanner capabilitie stocked
+ * \brief Function that searches in the xml file if we find a scanner capabilitie stocked
  *        in one of the created array (character/integer array),
  *        or, if we find a integer scanner capabilitie.
  *

backend/escl/escl_png.c

@@ -87,7 +87,7 @@ get_PNG_data(capabilities_t *scanner, int *width, int *height, int *bps)
                 goto close_file;
 	}
 	// initialize the setjmp for returning properly after a libpng
-	//   error occured
+	//   error occurred
 	if (setjmp (png_jmpbuf (png_ptr)))
 	{
 		png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
@@ -107,7 +107,7 @@ get_PNG_data(capabilities_t *scanner, int *width, int *height, int *bps)
 	png_read_info (png_ptr, info_ptr);
 
 	int bit_depth, color_type;
-	// get some usefull information from header
+	// get some useful information from header
 	bit_depth = png_get_bit_depth (png_ptr, info_ptr);
 	color_type = png_get_color_type (png_ptr, info_ptr);
 	// convert index color images to RGB images

backend/escl/escl_scan.c

@@ -38,7 +38,7 @@
  * \fn static size_t write_callback(void *str, size_t size, size_t nmemb, void *userp)
  * \brief Callback function that writes the image scanned into the temporary file.
  *
- * \return to_write (the result of the fwrite fonction)
+ * \return to_write (the result of the fwrite function)
  */
 static size_t
 write_callback(void *str, size_t size, size_t nmemb, void *userp)