Fix typos in comments (18900).

git-svn-id: https://svn.r-project.org/R/trunk@88254 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: kalibera

src/library/grDevices/src/cairo/cairoFns.c

@@ -1446,7 +1446,7 @@ static SEXP Cairo_Cap(pDevDesc dd)
 
     /* Copy each byte of screen to an R matrix. 
      * The Cairo RGB24 needs to be converted to an R ABGR32.
-     * Cairo uses native endiannes (A=msb,R,G,B=lsb) so use int* instead of char* */
+     * Cairo uses native endianness (A=msb,R,G,B=lsb) so use int* instead of char* */
     rint = (unsigned int *) INTEGER(raster);
     for (i = 0; i < size; i++)
         rint[i] = R_RGB((screenData[i] >> 16) & 255, (screenData[i] >> 8) & 255, screenData[i] & 255);
@@ -1895,7 +1895,7 @@ static void FT_getFont(pGEcontext gc, pDevDesc dd, double fs)
     if (face == 3 || face == 4) slant = CAIRO_FONT_SLANT_ITALIC;
     if (face != 5) {
 	/* This is a 'toy', remember?
-	   The manual recommnends the CSS2 names "serif", "sans-serif",
+	   The manual recommends the CSS2 names "serif", "sans-serif",
 	   "monospace" */
 	char *fm = gc->fontfamily;
 	if (!fm[0]) fm = xd->basefontfamily;

src/library/grDevices/src/devPS.c

@@ -924,10 +924,10 @@ PostScriptMetricInfo(int c, double *ascent, double *descent, double *width,
 	       and these values are not considered when computing the FontBBox.
 
  	       Also NBSP and Euro in some fonts.  Should that be
- 	       skipped for acent and descent?  However:
+ 	       skipped for ascent and descent?  However:
 	       1) There are currently no transliterations including 
 	       space/NBSP (although macOS did at one point).
-	       2) The graphivs engine does not do this.
+	       2) The graphics engine does not do this.
 	    else if
 	       (metrics->CharInfo[c].BBox[0] == 0 &&
 		metrics->CharInfo[c].BBox[1] == 0 &&
@@ -1722,7 +1722,7 @@ static SEXP getFont(const char *family, const char *fontdbname) {
 }
 
 /*
- * Get the path to the afm file for a user-specifed font
+ * Get the path to the afm file for a user-specified font
  * given a graphics engine font family and the face
  * index (0..4)
  *
@@ -5690,7 +5690,7 @@ static int newTiling(SEXP pattern, PDFDesc *pd)
     PDF_Invalidate(pd);
 
     /* Some finalisation that endpage does
-     * (to match the newpage initilisation)
+     * (to match the newpage initialisation)
      */
     catDefn("Q\n", contentDefn, pd);
     /* Cannot discard temporary definition because there may have been
@@ -5925,7 +5925,7 @@ static int newMask(SEXP mask, PDFDesc *pd)
     PDF_Invalidate(pd);
 
     /* Some finalisation that endpage does
-     * (to match the newpage initilisation)
+     * (to match the newpage initialisation)
      */
     catDefn("Q\n", tempDefn, pd);
     /* Cannot discard temporary definition because there may have been
@@ -6123,7 +6123,7 @@ static int newGroup(SEXP source, int op, SEXP destination, PDFDesc *pd)
     UNPROTECT(1);
 
     /* Some finalisation that endpage does
-     * (to match the newpage initilisation)
+     * (to match the newpage initialisation)
      */
     catDefn("Q\n", tempDefn, pd);
     /* Cannot discard temporary definition because there may have been
@@ -7875,7 +7875,7 @@ static int PDFwriteResourceDictionary(int objOffset, bool endpage,
     }
 
     if (streql(pd->colormodel, "srgb")) {
-	/* Ojects 5 and 6 are the sRGB color space, if required */
+	/* Objects 5 and 6 are the sRGB color space, if required */
 	PDFwrite(buf, 100, "/ColorSpace << /sRGB 5 0 R >>\n", pd);
     }
     PDFwrite(buf, 100, ">>\n", pd);

src/library/grDevices/src/devQuartz.c

@@ -1038,7 +1038,7 @@ static int QuartzCreateMask(SEXP mask,
             bitmapInfo = kCGImageAlphaOnly;
         }
 
-        /* Create bitmap grahics context 
+        /* Create bitmap graphics context 
          * drawing is redirected to this context */
         quartz_bitmap = CGBitmapContextCreate(NULL,
                                               (size_t) devWidth,
@@ -1581,7 +1581,7 @@ extern CGFontRef CGContextGetFont(CGContextRef);
 
 #pragma mark Quartz Font Cache
 
-/* Font lookup is expesive yet frequent. Therefore we cache all used CG fonts (which are global to the app). */
+/* Font lookup is expensive yet frequent. Therefore we cache all used CG fonts (which are global to the app). */
 
 typedef struct font_cache_entry_s {
     CGFontRef font;
@@ -3311,14 +3311,14 @@ static double darwin_version(void) {
 #include <mach/mach.h>
 #include <servers/bootstrap.h>
 
-/* even as of Darwin 9 there is no entry for bootstrap_info in bootrap headers */
+/* even as of Darwin 9 there is no entry for bootstrap_info in bootstrap headers */
 extern kern_return_t bootstrap_info(mach_port_t , /* bootstrap port */
                                     name_array_t*, mach_msg_type_number_t*,  /* service */
                                     name_array_t*, mach_msg_type_number_t*,  /* server */
                                     bool_array_t*, mach_msg_type_number_t*); /* active */
 
 /* returns 1 if window server session service
-   (com.apple.windowserver.session) is present in the boostrap
+   (com.apple.windowserver.session) is present in the bootstrap
    namespace (pre-Lion) or when a current session is present, active
    and there is no SSH_CONNECTION (Lion and later).
    returns 0 if an error occurred or the service is not

src/library/grDevices/src/devWindows.c

@@ -693,7 +693,7 @@ static void SetFont(pGEcontext gc, double rot, gadesc *xd)
 	 * that family (mapped through WindowsFonts()) and face.
 	 *
 	 * If specify face > 4 then get font from face via Rdevga
-	 * (whether specifed family or not).
+	 * (whether specified family or not).
 	 */
 	char * fm = gc->fontfamily;
 	if (!fm[0]) fm = xd->basefontfamily;
@@ -3537,7 +3537,7 @@ SEXP savePlot(SEXP args)
     filename = CADR(args);
     if (!isString(filename) || LENGTH(filename) != 1)
 	error(_("invalid filename argument in 'savePlot'"));
-    /* in 2.8.0 this will always be passed as native, but be conserative */
+    /* in 2.8.0 this will always be passed as native, but be conservative */
     fn = translateCharFP(STRING_ELT(filename, 0));
     type = CADDR(args);
     if (!isString(type) || LENGTH(type) != 1)

src/library/grDevices/src/qdCocoa.h

@@ -23,7 +23,7 @@
 #include <R.h>
 #include <R_ext/QuartzDevice.h>
 
-/* inofficial API that can be used by other applications */
+/* unofficial API that can be used by other applications */
 
 #define QCF_SET_PEPTR  1  /* set ProcessEvents function pointer */
 #define QCF_SET_FRONT  2  /* set application mode to front */

src/library/grDevices/src/qdCocoa.m

@@ -48,7 +48,7 @@
     BOOL            closing;
     BOOL            pdfMode; /* this flag is set when printing, bypassing CGLayer to avoid rasterization */
     int             inLocator;
-    double          locator[2]; /* locaton click position (x,y) */
+    double          locator[2]; /* locator click position (x,y) */
     BOOL            inHistoryRecall;
     int             inHistory;
     SEXP            history[histsize];
@@ -86,7 +86,7 @@ + (QuartzCocoaView*) quartzWindowWithRect: (NSRect) rect andInfo: (void*) info
     NSColor* canvasColor = nil;
 
     /* do everything in a try block -- this is not merely theoretical,
-       for example NSWindow will throw an expection when the supplied
+       for example NSWindow will throw an exception when the supplied
        rect is too big */
     @try {
 	view = [[QuartzCocoaView alloc] initWithFrame: rect andInfo: info];
@@ -102,7 +102,7 @@ + (QuartzCocoaView*) quartzWindowWithRect: (NSRect) rect andInfo: (void*) info
 	[window setDelegate: view];
 	[window setContentView: view];
 	[window setInitialFirstResponder: view];
-	/* [window setAcceptsMouseMovedEvents:YES]; not neeed now, maybe later */
+	/* [window setAcceptsMouseMovedEvents:YES]; not needed now, maybe later */
 	[window setTitle: [NSString stringWithUTF8String: ((QuartzCocoaDevice*)info)->title]];
 
         NSMenu *menu, *mainMenu;
@@ -353,7 +353,7 @@ - (void)drawRect:(NSRect)aRect
 {
     CGRect rect;
     CGContextRef ctx = [[NSGraphicsContext currentContext] graphicsPort];
-    /* we have to retain our copy, beause we may need to create a layer
+    /* we have to retain our copy, because we may need to create a layer
        based on the context in NewPage outside of drawRect: */
     if (ci->context != ctx) {
         if (ci->context)