src/lib/htmshell.c cffb8fcb4dff1693ded92803c47c317f8ed02e1b

cffb8fcb4dff1693ded92803c47c317f8ed02e1b
max
  Wed Sep 27 10:07:22 2023 -0700
switching off translation bar for DNA output, refs #32275

diff --git src/lib/htmshell.c src/lib/htmshell.c
index 2614cc4..11d5b19 100644
--- src/lib/htmshell.c
+++ src/lib/htmshell.c
@@ -17,47 +17,56 @@
 #include "errAbort.h"
 #include "dnautil.h"
 #include "base64.h"
 
 
 jmp_buf htmlRecover;
 
 boolean htmlWarnBoxSetUpAlready=FALSE;
 
 static bool NoEscape = FALSE;
 
 static bool errorsNoHeader = FALSE;
 
 static char *analyticsKey = NULL;
 
+static bool doNotTranslate = FALSE;
+
 void htmlSuppressErrors()
 /* Do not output a http header for error messages. Makes sure that very early
  * errors are not shown back to the user but trigger a 500 error, */
 {
 errorsNoHeader = TRUE;
 }
 
 void htmlNoEscape()
 {
 NoEscape = TRUE;
 }
 
 void htmlDoEscape()
 {
 NoEscape = FALSE;
 }
 
+void htmlDoNotTranslate()
+/* add <html> and <head> tags to tell browsers and chrome in particular not to translate this page. 
+ * DNA is recognized as Swedish otherwise and the translate will remove nucleotides */
+{
+    doNotTranslate = TRUE;
+}
+
 void htmlVaEncodeErrorText(char *format, va_list args)
 /* Write an error message encoded against XSS. */
 {
 va_list argscp;
 va_copy(argscp, args);
 char warning[1024];
 
 struct dyString *ds = dyStringNew(1024);
 vaHtmlDyStringPrintf(ds, format, args);
 int n = ds->stringSize;
 int nLimit = sizeof(warning) - 1;
 if (ds->stringSize > nLimit)
     n = nLimit;
 safencpy(warning, sizeof warning, ds->string, n);
 if (ds->stringSize > nLimit)
@@ -1113,32 +1122,41 @@
 if (printDocType)
     {
 //#define TOO_TIMID_FOR_CURRENT_HTML_STANDARDS
 #ifdef TOO_TIMID_FOR_CURRENT_HTML_STANDARDS
     fputs("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2//EN\">\n", f);
 #else///ifndef TOO_TIMID_FOR_CURRENT_HTML_STANDARDS
     char *browserVersion;
     if (btIE == cgiClientBrowser(&browserVersion, NULL, NULL) && *browserVersion < '8')
         fputs("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2//EN\">\n", f);
     else
         fputs("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" "
               "\"http://www.w3.org/TR/html4/loose.dtd\">\n",f);
     // Strict would be nice since it fixes atleast one IE problem (use of :hover CSS pseudoclass)
 #endif///ndef TOO_TIMID_FOR_CURRENT_HTML_STANDARDS
     }
+
+if (doNotTranslate)
+    fputs("<HTML lang='en' class='notranslate' translate='no'>\n", f); // switches off auto-translation question
+else
     fputs("<HTML>\n", f);
+
 fputs("<HEAD>\n", f);
+
+if (doNotTranslate)
+    fputs("<meta name='google' content='notranslate' />\n", f); // switches off translation bar in Chrome and related browsers
+
 // CSP header
 generateCspMetaHeader(f);
 
 fputs(head, f);
 htmlFprintf(f,"<TITLE>%s</TITLE>\n", title); 
 if (endsWith(title,"Login - UCSC Genome Browser")) 
     fprintf(f,"\t<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html;CHARSET=iso-8859-1\">\n");
 fprintf(f, "\t<META http-equiv=\"Content-Script-Type\" content=\"text/javascript\">\n");
 if (htmlStyle != NULL)
     fputs(htmlStyle, f);
 if (htmlStyleSheet != NULL)
     fprintf(f,"<link href=\"%s\" rel=\"stylesheet\" type=\"text/css\">\n", htmlStyleSheet);
 if (htmlStyleTheme != NULL)
     fputs(htmlStyleTheme, f);
 if (analyticsKey)