From c273bf6a7bb7afea9e7167077dda712348e2aaa3 Mon Sep 17 00:00:00 2001
From: Fedor Bezrukov <Fedor.Bezrukov@gmail.com>
Date: Sun, 18 Mar 2018 17:25:45 +0000
Subject: [PATCH 1/5] Partial attempt to fix label scaling to atomatically
 scientific notation. Note, that the logic of replacing scientific notation in
 GR backend is a bit dodgy.

---
 src/axes.jl        | 2 +-
 src/backends/gr.jl | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/axes.jl b/src/axes.jl
index 855f8d97..1cecd211 100644
--- a/src/axes.jl
+++ b/src/axes.jl
@@ -212,7 +212,7 @@ function optimal_ticks_and_labels(axis::Axis, ticks = nothing)
         formatter = axis[:formatter]
         if formatter == :auto
             # the default behavior is to make strings of the scaled values and then apply the labelfunc
-            map(labelfunc(scale, backend()), Showoff.showoff(scaled_ticks, :plain))
+            map(labelfunc(scale, backend()), Showoff.showoff(scaled_ticks, :auto))
         elseif formatter == :scientific
             Showoff.showoff(unscaled_ticks, :scientific)
         else
diff --git a/src/backends/gr.jl b/src/backends/gr.jl
index 7ff6f606..f259f143 100644
--- a/src/backends/gr.jl
+++ b/src/backends/gr.jl
@@ -223,7 +223,7 @@ function gr_polaraxes(rmin::Real, rmax::Real, sp::Subplot)
     sinf = sind.(a)
     cosf = cosd.(a)
     rtick_values, rtick_labels = get_ticks(yaxis)
-    if yaxis[:formatter] == :scientific && yaxis[:ticks] in (:auto, :native)
+    if (yaxis[:formatter] == :scientific || contains(rtick_labels,"×10") )&& yaxis[:ticks] in (:auto, :native)
         rtick_labels = convert_sci_unicode(rtick_labels)
     end
 
@@ -889,7 +889,7 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
                     # ensure correct dispatch in gr_text for automatic log ticks
                     if xaxis[:scale] in _logScales
                         dv = string(dv, "\\ ")
-                    elseif xaxis[:formatter] == :scientific
+                    elseif xaxis[:formatter] == :scientific || contains(dv,"×10")
                         dv = convert_sci_unicode(dv)
                     end
                 end
@@ -908,7 +908,7 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
                     # ensure correct dispatch in gr_text for automatic log ticks
                     if yaxis[:scale] in _logScales
                         dv = string(dv, "\\ ")
-                    elseif yaxis[:formatter] == :scientific
+                    elseif yaxis[:formatter] == :scientific || contains(dv,"×10")
                         dv = convert_sci_unicode(dv)
                     end
                 end

From 6b6394ba9779b1351f8bb3cb5d067071877a8dea Mon Sep 17 00:00:00 2001
From: Fedor Bezrukov <Fedor.Bezrukov@gmail.com>
Date: Mon, 19 Mar 2018 03:15:14 +0000
Subject: [PATCH 2/5] Fixed bug introduced into GR Polar plot

---
 src/backends/gr.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backends/gr.jl b/src/backends/gr.jl
index f259f143..692f33c8 100644
--- a/src/backends/gr.jl
+++ b/src/backends/gr.jl
@@ -223,7 +223,7 @@ function gr_polaraxes(rmin::Real, rmax::Real, sp::Subplot)
     sinf = sind.(a)
     cosf = cosd.(a)
     rtick_values, rtick_labels = get_ticks(yaxis)
-    if (yaxis[:formatter] == :scientific || contains(rtick_labels,"×10") )&& yaxis[:ticks] in (:auto, :native)
+    if (yaxis[:formatter] == :scientific || any(contains.(rtick_labels,"×10"))) && yaxis[:ticks] in (:auto, :native)
         rtick_labels = convert_sci_unicode(rtick_labels)
     end
 

From 4e5c88eb74a11e9c7a77a1bf663d81de44603f28 Mon Sep 17 00:00:00 2001
From: Fedor Bezrukov <Fedor.Bezrukov@gmail.com>
Date: Wed, 21 Mar 2018 00:12:57 +0000
Subject: [PATCH 3/5] Fixed unicode display for plotly()

---
 src/backends/web.jl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backends/web.jl b/src/backends/web.jl
index 36fd5d06..e38ad782 100644
--- a/src/backends/web.jl
+++ b/src/backends/web.jl
@@ -12,6 +12,7 @@ function standalone_html(plt::AbstractPlot; title::AbstractString = get(plt.attr
     <html>
         <head>
             <title>$title</title>
+            <meta http-equiv="content-type" content="text/html; charset=UTF-8">
             $(html_head(plt))
         </head>
         <body>

From bd06f0c71306192caa5d26c5987c225686884a06 Mon Sep 17 00:00:00 2001
From: Fedor Bezrukov <Fedor.Bezrukov@gmail.com>
Date: Wed, 21 Mar 2018 09:54:52 +0000
Subject: [PATCH 4/5] Fixed broken behaviour for function :formatter, and
 pgfplots

---
 src/backends/gr.jl       | 8 ++++----
 src/backends/pgfplots.jl | 3 ++-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/backends/gr.jl b/src/backends/gr.jl
index 692f33c8..88fcad36 100644
--- a/src/backends/gr.jl
+++ b/src/backends/gr.jl
@@ -223,8 +223,8 @@ function gr_polaraxes(rmin::Real, rmax::Real, sp::Subplot)
     sinf = sind.(a)
     cosf = cosd.(a)
     rtick_values, rtick_labels = get_ticks(yaxis)
-    if (yaxis[:formatter] == :scientific || any(contains.(rtick_labels,"×10"))) && yaxis[:ticks] in (:auto, :native)
-        rtick_labels = convert_sci_unicode(rtick_labels)
+    if yaxis[:formatter] in (:scientific, :auto) && yaxis[:ticks] in (:auto, :native)
+        rtick_labels = convert_sci_unicode.(rtick_labels)
     end
 
     #draw angular grid
@@ -889,7 +889,7 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
                     # ensure correct dispatch in gr_text for automatic log ticks
                     if xaxis[:scale] in _logScales
                         dv = string(dv, "\\ ")
-                    elseif xaxis[:formatter] == :scientific || contains(dv,"×10")
+                    elseif xaxis[:formatter] in (:scientific, :auto)
                         dv = convert_sci_unicode(dv)
                     end
                 end
@@ -908,7 +908,7 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
                     # ensure correct dispatch in gr_text for automatic log ticks
                     if yaxis[:scale] in _logScales
                         dv = string(dv, "\\ ")
-                    elseif yaxis[:formatter] == :scientific || contains(dv,"×10")
+                    elseif yaxis[:formatter] in (:scientific, :auto)
                         dv = convert_sci_unicode(dv)
                     end
                 end
diff --git a/src/backends/pgfplots.jl b/src/backends/pgfplots.jl
index ef2920ad..0f28ac57 100644
--- a/src/backends/pgfplots.jl
+++ b/src/backends/pgfplots.jl
@@ -329,7 +329,8 @@ function pgf_axis(sp::Subplot, letter)
             push!(style, string(letter, "ticklabels = {\$", join(tick_labels,"\$,\$"), "\$}"))
         elseif axis[:showaxis]
             tick_labels = ispolar(sp) && letter == :x ? [ticks[2][3:end]..., "0", "45"] : ticks[2]
-            tick_labels = axis[:formatter] == :scientific ? string.("\$", convert_sci_unicode.(tick_labels), "\$") : tick_labels
+            tick_labels = ( axis[:formatter] in (:scientific, :auto) ?
+                            string.("\$", convert_sci_unicode.(tick_labels), "\$") : tick_labels )
             push!(style, string(letter, "ticklabels = {", join(tick_labels,","), "}"))
         else
             push!(style, string(letter, "ticklabels = {}"))

From 92f9ccce5c58c5412a2cbebb9ec30b75260fa4fb Mon Sep 17 00:00:00 2001
From: Fedor Bezrukov <Fedor.Bezrukov@gmail.com>
Date: Wed, 21 Mar 2018 23:58:26 +0000
Subject: [PATCH 5/5] Added :plain formatter

---
 src/axes.jl | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/axes.jl b/src/axes.jl
index 1cecd211..089840ac 100644
--- a/src/axes.jl
+++ b/src/axes.jl
@@ -213,11 +213,19 @@ function optimal_ticks_and_labels(axis::Axis, ticks = nothing)
         if formatter == :auto
             # the default behavior is to make strings of the scaled values and then apply the labelfunc
             map(labelfunc(scale, backend()), Showoff.showoff(scaled_ticks, :auto))
+        elseif formatter == :plain
+            # Leave the numbers in plain format
+            map(labelfunc(scale, backend()), Showoff.showoff(scaled_ticks, :plain))
         elseif formatter == :scientific
             Showoff.showoff(unscaled_ticks, :scientific)
         else
             # there was an override for the formatter... use that on the unscaled ticks
             map(formatter, unscaled_ticks)
+            # if the formatter left us with numbers, still apply the default formatter
+            # However it leave us with the problem of unicode number decoding by the backend
+            # if eltype(unscaled_ticks) <: Number
+            #     Showoff.showoff(unscaled_ticks, :auto)
+            # end
         end
     else
         # no finite ticks to show...