From b50b774c5be776bfe9386175b09b856bee97c16a Mon Sep 17 00:00:00 2001
From: Patrick Jaap <jaap@wias-berlin.de>
Date: Mon, 30 Sep 2024 14:59:06 +0200
Subject: [PATCH] GR backend: use textext for :log2 and :ln axis scaling
 (#4991)

This fixes #4871

Only the case of :log10 has been treated before.
---
 .zenodo.json       | 4 ++++
 src/backends/gr.jl | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/.zenodo.json b/.zenodo.json
index 42fbc2c8a..eb7341d1f 100644
--- a/.zenodo.json
+++ b/.zenodo.json
@@ -775,6 +775,10 @@
             "affiliation": "The Alan Turing Institute",
             "name": "Penelope Yong",
             "type": "Other"
+        },
+        {
+            "name": "Patrick Jaap",
+            "type": "Other"
         }
     ],
     "upload_type": "software"
diff --git a/src/backends/gr.jl b/src/backends/gr.jl
index 64b61562f..7e9cc2771 100644
--- a/src/backends/gr.jl
+++ b/src/backends/gr.jl
@@ -250,7 +250,7 @@ end
 
 gr_inqtext(x, y, s) = gr_inqtext(x, y, string(s))
 gr_inqtext(x, y, s::AbstractString) =
-    if (occursin('\\', s) || occursin("10^{", s)) &&
+    if (occursin('\\', s) || occursin(r"10\^{|2\^{|e\^{", s)) &&
        match(r".*\$[^\$]+?\$.*", String(s)) === nothing
         GR.inqtextext(x, y, s)
     else
@@ -259,7 +259,7 @@ gr_inqtext(x, y, s::AbstractString) =
 
 gr_text(x, y, s) = gr_text(x, y, string(s))
 gr_text(x, y, s::AbstractString) =
-    if (occursin('\\', s) || occursin("10^{", s)) &&
+    if (occursin('\\', s) || occursin(r"10\^{|2\^{|e\^{", s)) &&
        match(r".*\$[^\$]+?\$.*", String(s)) === nothing
         GR.textext(x, y, s)
     else